Browse Author Index

A B C D E F G H I J K L M N O P Q R S T U V W X Y Z All

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L Tobing, Immanuel Dio
Lahji, Khotijah, Trisakti University
Lahna, Kurnia, Himpunan Fisika Indonesia (HFI)
Lai, Jiing-Yih, Department of Mechanical Engineering, National Central University
Lai, Jiing-Yih, Department of Mechanical Engineering National Central University, Taiwan
Lai, Jiing-Yih, Department of Mechanical Engineering National Central University
Lai, Jing-Yih, <p>Department of Mechanical Engineering, National Central University, Taoyuan, Taiwan</p>
Lai, Yu-Kuen
Lai, Yu-Kuen, Department of Electrical Engineering Chung Yuan Christian University
Lai, Yu-Kuen, <p>Department of Electrical Engineering, Chung Yuan Christian University, Chungli, Taiwan</p>
Lai, Yu-Kuen, Department of Electrical Engineering, Chung Yuan Christian University, Zhongli, Taiwan
Laila, Lia, Universitas Sumatera Utara
Laily, Fairuza, Tropical Medicine, Medical Faculty of Sumatera Utara University

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laina, nur, mahasiswa

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Lakawa, Agustin, Trisakti University
Laksitowening, Kusuma Ayu, Faculty of Computer Science, University of Indonesia, Depok, Indonesia School of Computing, Telkom University, Bandung, Indonesia
Laksmi, Lidya Imelda, <br /><p>Universitas Sumatera Utara</p>
Laksmi, Lidya Imelda, Department of Anatomical Pathology, University of Sumatera Utara
Laksmi, Lidya Imelda, Universitas Sumatera Utara
Laksmi, Lidya Imelda, Universitas Sumatera Utara (Indonesia)
Laksono, Valerian, Airlangga Univesity
Lalel, Herianus Justhianus, Nusa Cendana University

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lamria, indah, Universitas Sumatera Utara

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Larasati, Ratri, Dept. Agricultural Engineering, Universitas Brawijaya
Larosa, Dody Kriswan Oktavianus
Laskar, Sahinur, National Institute of Technology Silchar
Lasmaria, Claryssa

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lastomo, dwi, Student of Power System Engineering ITS Surabaya (master degree)

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Laswi, Aishiyah Saputri, Amik Ibnu Khaldun Palopo
Latupeirissa, Debbie, Fatmawati General Hospital
Laura, Hanady Martha, Universitas Al-Azhar Indonesia
Laury, Hanni Alqili, Magister Department of Industrial Engineering, Faculty of Engineering, Universitas Sumatera Utara
Lavandya, Dea Hapsari, Department of Architecture, Engineering Faculty, Universitas Indonesia

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lavia, safarna, tropical medicine usu radiology usk

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Laya, Mauldy, Department of Computer and Informatics, Politeknik Negeri Jakarta. Jalan Prof GA Siwabessy Kampus UI Depok
Le, Tien Xuan
Lee, Chun-Yao, Department of Electrical Engineering, Chung Yuan Christian University
Lee, Karl Ivan Bartolome, Mapúa University
Lee, Pei-Yuan, Orthopedic Department, Show Chwan Memorial Hospital, Changhua, Taiwan
Lee, Pei-Yuan, Orthopedic Department, Show Chwan Memorial Hospital
Lee, Pei-Yuan, Orthopedic Department, Show Chwan Memorial Hospital, Taiwan
Lee, Pei-Yuan, <p>Orthopedic Department Show Chwan Memorial Hospital</p>

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lela, nur

L

Lelo, Aznan -, Fakultas Kedokteran USU
Lelo, Aznan, Department of Pharmacology Faculty of Medicine, Universitas Sumatera Utara<br />
Lenny, Sovia, Department of Chemistry Universitas Sumatera Utara
Leomo, Sitti, Department of Soil Sciences, Faculty of Agriculture, Halu Oleo University Kendari, Southeast Sulawesi Indonesia
Leonita, Luluk Latifa Ayu, Universitas Indonesia
Lesmana, Ronny, Faculty of Medicine, Universitas Padjadjaran, Indonesia
Lesmana, Ronny, Faculty of Medicine, Universitas Padjadjaran, Indonesia
Lesmana, Stanley, Faculty of Medicine, Universitas Sumatera Utara, Medan, Indonesia
Lesmana, Tri Fennia, Bina Nusantara University
Lestari, Agatha Nabilla, Universitas Sumatera Utara
Lestari, Agatha Nabilla, <sup>1</sup>Faculty of Medicine, Universitas Sumatera Utara
Lestari, Nurul Sukma, Bina Nusantara University
Lestario, Febrilian Lestario, Universitas Pembangunan Panca Budi
Leviza, Jelly -, Faculty Of Law, Universitas Sumatera Utara
Leviza, Jelly, Universitas Sumatera Utara
Liang, Arianto, Universitas Sumatera Utara
Liberty, Maggie, Faculty of Medicine, Universitas Sumatera Utara, Medan, Indonesia
Lie, Khie Chen, Division of Tropical and Infectious Diseases, Department of Internal Medicine, Faculty of Medicine Universitas Indonesia, Cipto Mangunkusumo National Hospital, Jakarta, Indonesia

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lily, lily, Master of Biomedic Sciences, Faculty of Medicine, Universitas Sumatera Utara, Medan 20155
lily, lily, Master of Biomedical Sciences, Faculty of Medicine, University of Sumatera Utara, Medan 20155

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Lim, Charles, <p>Department of Information Technology, Swiss German University,</p><p>Chapter Leader Honeynet Community Indonesia</p>
Lim, Charles, Swiss German Univerysity, Advisor
Lim, Jimmy, Universitas Prima Indonesia
Limbardon, Patrick, Faculty of Medicine, University of Sumatera Utara
Limbong, Audrey Sarah Zefanya, Master of Communication Department, BINUS Graduate Program, Master of Strategic Marketing Communication, Bina Nusantara University, Jakarta, Indonesia 11480
Limbong, Muhammad Huda, Universitas Sumatera Utara
Limbong, Nita Permata Rizkynta, Universitas Sumatera Utara
Lin, Kang-Ping, Department of Electrical Engineering, Chung Yuan Christian University, Taiwan
Lin, Kang-Ping, Department of Electrical Engineering, Chung Yuan Christian University, Taiwan (Taiwan, Province of China)
Lin, Wen Chen, Department of Electrical Engineering, Chung Yuan Christian University, Taiwan.
Linan, Maureen Nettie N., Graduate Programs, Technological Institute of the Philippines-Quezon City, Philippines
Linata, Ellisa
Linda, Riza, Biologi Universitas Tanjung Pura
Linda, Roza, Prodi Pendidikan Kimia FKIP Universitas Riau
Lindarto, D, university of north sumatera lecturer
Lindarto, D.
Lindarto, D., Universitas Sumatera Utara (Indonesia)
Lindarto, Dharma, <p>Universitas Sumatera Utara</p>
Lindarto, Dharma, Universitas Sumatera Utara
Lindarto, Dharma -, Fakultas Kedokteran USU
Lindarto, Dwi, Universitas Sumatera Utara
Lindarto, Dwi, <span><span>Teori dan Kritik Arsitektur</span></span>
Lindawati, Lindawati Lindawati, Universitas Sumatera Utara
Ling, Lee Siew, Universiti Teknologi Malaysia
Lingga, Sri Wahyuni, Student of Post Graduate Mathematics, Universitas Sumatera Utara, Medan, Indonesia
Linggasari, Mariani Natalina, Program Studi Pendidikan Biologi Fakultas Keguruan dan Ilmu Pendidikan Univesitas Riau
Linggi', Resky Juniarti Randa, Universitas Sam Ratulangi Manado Indonesia
Lisnawati, Yunita -, Forest Research and Development Centre
Lisnawita, Lisnawita
Lissimia, Finta, Universitas Muhammadiyah Jakarta
Lister, I Nyoman Ehrich, Universitas Prima Indonesia
Listiati, Etty Endang, Fakultas Arsitektur dan Desain Universitas Katolik Soegijapranata
Listiya, Afif, Departemen Teknik Industri, Fakultas Teknik, Universitas Sumatera Utara, Kota Medan

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listya, khanti, PT. Prima Edu Pendamping Belajar

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Listyoko, Aditya Sri, <p><em><sup>1</sup></em><em>Pulmonology Department and Respiratory Medicine, Faculty of Medicine, Brawijaya University/ Dr. Saiful Anwar General Hospital, Malang, Indonesia</em></p> <p><em><sup>2</sup></em><em>Doctoral Student, Division of Respiratory Med
Listyoko, Aditya Sri, Pulmonology and Respiratory Medicine Department, Medical Faculty of Brawijaya University, Saiful Anwar General Hospital, Malang, Indonesia (Indonesia)
Litvinenko, Anna, Sakhalin State University
Liu, Chi-Yuan, Department of Electrical Engineering, Chung Yuan Christian University, Chungli, Taiwan
Liu, Chi-Yuan, Department of Electrical Engineering, Chung Yuan Christian University, Chungli, Taiwan
Liu, Chui-Yuan, Department of Electrical Engineering Chung Yuan Christian University
Liu, Chui-Yuan, Department of Electrical Engineering, Chung Yuan Christian University, Zhongli, Taiwan
Liu, Sheng, Department of Communication Engineering, Chung Yuan Christian University, Chungli, Taiwan, R.O.C.
Liu, Sheng, Communication Engineering Department, Chung Yuan Christian University
Lobo, Maria, Universitas Nusa Cendana
Lodang, Hamka, Universitas Negeri Makassar
Loebis, M Nawawiy, Universitas Sumatera Utara
Loebis, M Nawawiy, Universitas Sumatera Utara
Loebis, M Nawawiy, <span><span>Teori dan Kritik Arsitektur</span></span>
Loebis, M.N., Universitas Sumatera Utara
Loebis, Mohammed Nawawiy
Loebis, Muhammad Nawawiy
Loebis, Muhammad Nawawiy, Universitas Sumatera Utara (Indonesia)
Loesnihari, Ricke, Department of Clinical Pathology, Faculty of Medicine, Universitas Sumatera Utara, Medan
Long, Huynh Bao
Lores, Linda, Universitas Medan Area
Luberia, Michael Anthony Yau, Mapúa University
Lubis, Andriamuri Primaputra, <p class="Default"><span lang="EN-US">Anesthesiology and Intensive Therapy Study Program/Departement Anesthesiology and Intensive Therapy, Faculty of Medicine, Universitas Sumatera Utara/Haji Adam Malik General Hospital Medan</span></p>
Lubis, Anggi Al Ridha, Universitas Negeri Medan
Lubis, Anggia Chairuddin, Department of Cardiology and Vascular Medicine, Faculty of Medicine Universitas Sumatera Utara
Lubis, Anggia Sari, Universitas Muslim Nusantara Al-Washliyah Medan
Lubis, Anggia Chairuddin, Faculty of Medicine, Universitas Sumatera Utara Pusat Jantung Terpadu, RSUP Haji Adam Malik Medan
Lubis, Anggia Chairuddin, Departement of Cardiology, Universitas Sumatera Utara
Lubis, Annisa Rahma, Universitas Sumatera Utara
Lubis, Aridamuriany Dwiputri, Department of child health Faculty of Medicine, University of North Sumatera
Lubis, Aridamuriany Dwiputri, Fakultas Kedokteran USU
Lubis, Aridamuriany Dwiputri, Department of Pediatrics, Faculty of Medicine, Universitas Sumatera Utara, Indonesia
Lubis, Aridamuriany D, <ul><li>Department of Pediatrics, Faculty of Medicine, Universitas Sumatera Utara</li></ul> <p> </p>
Lubis, Arif Ridho, Politeknik Negeri Medan
Lubis, Arif Ridho, <em><span lang="EN-US">Politeknik Negeri Medan</span></em>
Lubis, Arif Ridho, <p class="E-mail"><span lang="EN-US">Politeknik Negeri Medan, Jalan Almamater No. 1, Medan 20155</span></p> (Indonesia)
Lubis, Arif Ridho, Politeknik Negeri Medan
Lubis, Arif Ridho, Politeknik Negeri Medan, Sumatera Utara, Indonesia (Indonesia)
Lubis, Arif Ridho, Politeknik Negeri Medan, Sumatera Utara, Indonesia
LUBIS, ARLINA NURBAITY, SUMATERA UTARA UNIVERSITY

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lubis, arlina nurbaity, universitas sumatera utara

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Lubis, Arya, Undergraduate medicine faculty student at university of north sumatera
Lubis, Ashar Muda, Universitas Bengkulu
Lubis, Asmin, Medical Faculty of Sumatera Utara
Lubis, Azhar Aziz, Universitas Bengkulu
Lubis, Bastian, <p><span lang="EN-US">Department of Anesthesiology &amp; Intensive Care, Faculty of Medicine, Universitas Sumatera Utara</span></p><p><span lang="EN-US">Department of Anesthesiology &amp; Intensive Care, Adam Malik General Hospital, Medan<br /></span></p>
Lubis, Bastian, Faculty of Medicine, Universitas Sumatera Utara
Lubis, Bastian, <p><span lang="EN-US">Department of Anesthesiology &amp; Intensive</span><span lang="EN-US"> </span><span lang="EN-US">Care, Faculty of Medicine, Universitas</span><span lang="EN-US"> </span><span lang="EN-US">Sumatera Utara</span></p><p><span lang="EN-US
Lubis, Bastian, Medical Faculty of Universitas Sumatera Utara
Lubis, Bastian, Medical Faculty of Universitas Sumatera Utara
Lubis, Bidasari, Division of Hematology-Oncology, Department Pediatric, Haji Adam Malik General Hospital, Universitas Sumatera Utara, Medan, Indonesia
Lubis, Bidasari, Division of Hematology-Oncology, Department Pediatric, Haji Adam Malik General Hospital, Universitas Sumatera Utara, Medan, Indonesia
Lubis, Bugis Mardina, Universitas Sumatera Utara
Lubis, Bugis Mardina, Medical School Sumatera Utara University
Lubis, Dian Anindita, University of Sumatra Utara
Lubis, Dian Anindita, Universitas Sumatera Utara<br />
Lubis, Dian Anindita, Universitas Sumatera Utara
Lubis, Dona Tiara, Universitas Sumatera Utara

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lubis, ezra benjamin christian, Universitas Indonesia

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Lubis, Fahrurrozi, Universitas Sumatera Utara
Lubis, Faisal Reza, Universitas Sumatera Utara
Lubis, Fhany Grace, Santa Elisabeth Medan Hospital
Lubis, Fitri Angreni, <span><span>Universitas Sumatera Utara</span></span>
Lubis, Flora Marlita, FK USU
Lubis, Flora Marlita, Department of Dermatology and Venereology, Faculty of Medicine, University of Sumatra Utara
Lubis, Flora Marlita, Departement of Dermatology and Venereology, Faculty of Medicine, University of Sumatera Utara
Lubis, Flora Marlita, Department of Dermatology and Venereology, Faculty of Medicine, Universitas Sumatera Utara
Lubis, Flora Marlita, Universitas Sumatera Utara
Lubis, Flora Marlita, <p>Departement of Dermatology and Venereology, Faculty of Medicine, University of Sumatera Utara</p> (Indonesia)
Lubis, Fransiska Khristina, Universitas Sumatera Utara
Lubis, Fuji Nanda, Universitas Syiah Kuala
Lubis, Habibi, <p class="Els-Affiliation">Program Studi Magister Teknik Arsitektur, Fakultas Teknik, Universitas Sumatera Utara, Jalan Perpustakaan Gedung J7 Kampus USU, Medan, 20155,  Indonesia</p>
Lubis, Hanifatul Azha, USU
Lubis, Heny Syahrini, Faculty of Medicine, University of Sumatera Utara
Lubis, Heny Syahrini, University of sumatera utara
Lubis, Heny Syahrini, Faculty of Medicine, Universitas Sumatera Utara

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lubis, hilfan ade putra, North Sumatera University

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Lubis, Hilma Putri, Department of Obstetrics and Gynecology, Faculty of Medicine, University of Sumatera Utara
Lubis, Humairah Medina Liza, Universitas Muhammadiyah Sumatera Utara
Lubis, Indra Sakti, program studi pendidikan fisika, FKIP, Universitas Bengkulu
Lubis, Inke Nadia Diniyanti, <span lang="EN-GB">Universitas Sumatera Utara</span>
Lubis, Inke Nadia Diniyanti, <p>1. Department of Pediatrics, Faculty of Medicine, Universitas Sumatera Utara, Indonesia</p><p>2. H. Adam Malik Central General Hospital, Medan, North Sumatera</p>
Lubis, Inke Nadia, University of North Sumatra
Lubis, Inke Nadia Diniyanti, <sup>6</sup>Department of Pediatrics, Faculty of Medicine, Universitas Sumatera Utara
Lubis, Inke Nadia Diniyanti, Department of Paediatrics, Faculty of Medicine, Universitas Sumatera Utara
Lubis, Inke Nadia Diniyanti, Department of Pediatrics, Faculty of Medicine, Universitas Sumatera Utara
Lubis, Inke Nadia Diniyanti, Universitas Sumatera Utara
Lubis, Inke Nadia Diniyanti, Fakultas Kedokteran USU
Lubis, Inke Nadia Diniyanti, <p>Department of Pediatrics, Faculty of Medicine, Universitas Sumatera Utara</p>

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lubis, Inke Nadia d, <span lang="EN-ID">Department of Pediatric, Medical Faculty, University of North Sumatra</span>

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Lubis, Inke Nadia Diniyanti, <p>Department of Pediatrics, Faculty of Medicine, Universitas Sumatera Utara, Medan, Indonesia</p><p> </p>
Lubis, Inke Nadia Diniyanti, <p>Department of Pediatrics, Faculty of Medicine, Universitas Sumatera Utara, Medan, Indonesia</p>
Lubis, Inke Nadia Diniyanti, Department of Pediatrics, Faculty of Medicine, Universitas Sumatera Utara, Medan, North Sumatra, Indonesia
Lubis, Inke Nadia, Department of Pediatrics, Faculty of Medicine, Universitas Sumatera Utara, Medan
Lubis, Inke Nadia Diniyanti, Universitas Sumatra Utara
Lubis, Inke Nadia Diniyanti, <p>Department of Pediatrics,<sup> </sup>Faculty of Medicine Universitas Sumatera Utara, Indonesia</p>
Lubis, Inke Nadia Diniyanti, Department of Pediatrics , Faculty of Medicine, Universitas Sumatera Utara
Lubis, Inke Nadia Diniyanti, <p>Department of Pediatrics , Faculty of Medicine, Universitas Sumatera Utara</p><p>H. Adam Malik Central General Hospital, Medan, Sumatera Utara, Indonesia</p>
Lubis, Inke Nadia Diniyanti, Universitas Sumatera Utara
Lubis, Khairina Zahra Triamanda, Universitas Sumatera Utara
Lubis, Mahrani, Universitas Sumatera Utara
Lubis, Mahrani, Faculty of Medicine, Universitas Sumatera Utara
Lubis, Maratua Solihuddin, Universitas Sumatera Utara
Lubis, Maulida, Universitas Sumatera Utara
Lubis, Misri Yanty, post graduate at department of chemistry, faculty of mathematic and natural science, university of north sumatra
Lubis, Mohammad Amrin Fauzi, PT Bumitama Gunajaya Agro
Lubis, Mohammad Dolok, Universitas Sumatera Utara
Lubis, Mohammad Dolok, University of North Sumatera/Universitas Sumatera Utara (Indonesia)
Lubis, Mrnida Uli
Lubis, Muara P, Fakultas kedokteran, departemen Obstetri dan Ginekologi
Lubis, Muhammad Yamin, Universitas Sumatera Utara, Medan Indonesia
Lubis, Muhammad Fiza, Universitas Sumatera Utara
Lubis, Muhammad Dolok
Lubis, Muharman, Telkom University, Bandung, Indonesia
Lubis, Muharman
Lubis, Muharman, Telkom University (Indonesia)
Lubis, Munar, Department of Pediatrics, Faculty of Medicine, Universitas Sumatera Utara
Lubis, Munar, Department of Paediatrics, Faculty of Medicine, Universitas Sumatera Utara
Lubis, Munar
Lubis, Nadjib Dahlan, Universitas Sumatera Utara
Lubis, Nenni Dwi Aprianti, Universitas Sumatera Utara
Lubis, Nova Zairina, Universitas Sumatera Utara
Lubis, Nurul Annisa, Faculty of Agriculture, University of North Sumatera, Jl. Dr. A. Sofian No.3, Padang Bulan, Kec. Medan Baru, Kota Medan, Sumatera Utara 20155
Lubis, Putri Amiroh, Universitas Sumatera Utara
Lubis, Rafii Fadhlurrahman
Lubis, Ramona Dumasari
Lubis, Reza Hanafi, Universitas Muslim Nusantara Al Washliyah
Lubis, Rizki Indah Putri, <p><sup>1</sup>Faculty of Medicine, Universitas Sumatera Utara</p>
Lubis, Rizki Namira, Universitas Sumatera Utara

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lubis, rodiyah rahmawaty, universitas sumatera utara

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Lubis, Sri Nauli Dewi, Department of Dermatology and Venereology
Lubis, Surya, Universitas Syiah Kuala
Lubis, Syahron, <p>Universitas Sumatera Utara, Medan, Indonesia</p>
Lubis, Tasnim, <p>Universitas Sumatera Utara, Medan, Indonesia</p>
Lubis, Tasnim, Universitas Sumatera Utara
Lubis, Tasnim, Universitas Sumatera Utara
Lubis, Tasnim, <p>Universitas Sumatera Utara</p> (Indonesia)
Lubis, Yasranuddin, Universitas Sumatera Utara

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lubis, yeti meliany

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Lubis, Yunida Syafriani, <p><em>Research and Development Agency of Forest Fibers Technology, Ministry of Environment and Forestry, Jl. Raya Riau-Bangkinang Km.9, Kuok-Bangkinang, Kampar, Indonesia, 28294. </em></p>
Lubis, Yunita Sari, Universitas Negeri Medan
Lubis, Yusuf Aulia, Master's Degree Program of Architecture, Faculty of Engineering, Universitas Sumatera Utara, Medan Indonesia<br />
Lubis, Zulkifli, Universitas Sumatera Utara
Lucianto, Andrean Eka
Luftinor, Luftinor, -
Luhur, Erica, University of Sumatera Utara
Luhur, Santica, Universitas Sumatera Utara
Luhur, Santica, Universitas Sumatera Utara
Luhur, Santica
Lukito, Yulia Nurliani, University of Indonesia
Lukman, Fajar Syahbakti, <p><em>Renewable Energy Engineering</em></p> <p><em>Faculty of Engineering</em></p> <p><em>Universitas Malikussaleh</em></p>
Lukman Srg, Iftitah Salsabila, Universitas Sumatera Utara
Luman Gaol, Ford, Bina Nusantara University
Lumban Gaol, Manna Lestari
Lumban Gaol, Nova Ninta, IDI (Ikatan Dokter Indonesia ) Cabang Sumatera Utara
Lumban Tobing, Lolita Refani, BRIN, UI, USU
Lumban Tobing, Sheylin Wimora, Universitas Sumatera Utara
Lumbanraja, Irwin Lamtota, Department Obstetrics and Gynecology, Faculty of Medicine, Universitas Sumatera Utara

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lumbanraja, prihatin, universitas sumatera utara

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Lumbanraja, Prihatin, University of Sumatera Utara
Lumbanraja, Sarma Nursani
Lumbanraja, Sarma Nursani, Department of Obstetrics and Gynaecology Faculty of Medicine University of Sumatera Utara (Indonesia)
Lumbanraja, Sarma Nursani, Jl.Pabrik Tenun 35 A Medan.

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lumbanraja, sarma nursani, Fetomaternal Division, Departement of Obstetrics and Gynecology Haji Adam Malik General Hospital, University of Sumatera Utara

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Lumbanraja, Sarma Nursani, Universitas Sumatera Utara
LumbanRaja, Saur, Universitas Sumatera Utara
Lumbantobing, Tantri Rospita, Ikatan Arsitek Indonesia
Lumbatoruan, Melati
Lumombo, Liony, Batam State Polytechnic
Lusiah, Lusiah, Universitas Sumatera Utara
Lusiana Sinaga, Lusiana Sinaga, Universitas Sumatra Utara

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lusiyana, novyan, Fakultas Kedokteran Universitas Islam Indonesia

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Luthfi, Luthfi, Politeknik Negeri Lhokseumawe
Lydia, Lydia, RSUD Deli Serdang, Lubuk Pakam, Indonesia
Lydia, Lydia, RSUD Deli Serdang (Indonesia)
Lydia, Maya Silvi, Universitas Sumatera Utara
Lydia, Maya Silvi, Universitas Sumatera Utara (Indonesia)
Lydia, Maya Silvi, Universitas Sumatera Utara, Medan-Indonesia
Lydia, Maya Silvi, <div><em><span style="font-size: x-small;">Universitas Sumatera Utara</span></em></div>
Lydia, Maya Silvi, Faculty of Computer Science and Information Technology Universitas Sumatera Utara