Samsuri, Samsuri
Sari, Masitha Dewi, Universitas Sumatera Utara
Sari, Mutiara Indah, <p class="Abstract"><span lang="EN-GB">Department of Biochemistry, Faculty of Medicine, Universitas Sumatera Utara, Medan, Indonesia</span></p><br />
Sembiring, Meilita Tryana, Department of Industrial Engineering, Universitas Sumatera Utara
Setiawan, Arum
Sibarani, Robert, <p>Faculty of Cultural Science, University of Sumatera Utara, Medan, Indonesia</p>
Siburian, Indah Reggi Renata Br, Universitas Prima Indonesia
siregar, amelia oktarini, Faculty of agriculture, USU
Siregar, Etti Sartina, Universitas Sumatera Utara
Slamet, Bejo, Department of Forest Management, Faculty of Forestry, Universitas Sumatera Utara
Slamet, Bejo
Sulaiman, Albertus, BPPT Serpong<br />
Sulaiman, Iman Achmad, Program Studi Pengelolaan Sumberdaya Alam dan Lingkungan USU
Sulistiyono, Nurdin, Fakultas Kehutanan Universitas Sumatera Utara
Sumardi, Sumardi
Suparman, Suparman
Susilowati, Arida, Faculty of Forestry, Universitas Sumatra Utara
Suwandi, Suwandi
Syari, Raudah Putri, <p class="Abstract"><span lang="EN-GB">Faculty of Medicine, Universitas Sumatera Utara, Medan, Indonesia</span></p><br />

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