Boris M. Menin
DOI:
10.9734/psij/2019/v23i230148
Page: 1-9
Abubakr Mahmoud Hamid, Hassan Wardi Hassan, Fatima Ahmed Osman
DOI:
10.9734/psij/2019/v23i230150
Page: 1-12
N. I. Izhovkina, S. N. Artekha, N. S. Erokhin, L. A. Mikhailovskaya
DOI:
10.9734/psij/2019/v23i230152
Page: 1-13
Bachir Koladé Adédokun Ambelohoun, Chakirou Akanho Toukourou, Guy Clarence Semassou, Jean Lois Fannou, Malahimi Anjorin, Vincent Prodjinonto
DOI:
10.9734/psij/2019/v23i230153
Page: 1-10