Sembiring, Meilita Tryana, Department of Industrial Engineering, Universitas Sumatera Utara, Indonesia
Lembaga Mitra
LOKASI
Le Polonia Hotel & Convention
Jl. Jenderal Sudirman No. 14-18, Madras Hulu, Medan Polonia, Kota Medan, Sumatera Utara
KONTAK
Lembaga Mitra