Andriayani, Andriayani, Department Chemistry, Faculty Mathematics and Natural Science Universitas Sumatra Utara<br />, 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