Samuel Adingo, Xiaodan Li, Liu Xue-Lu, Frederick Kwame Yeboah
DOI:
10.9734/ajee/2020/v12i430166
Page: 33-41
Adamou Ibrahima, Paul Souhore, Ahmadou Babba
DOI:
10.9734/ajee/2020/v12i430163
Page: 1-14
Shipra Jha, S. N. Dikshit
DOI:
10.9734/ajee/2020/v12i430164
Page: 15-21
C. R. Sreelakshmi, Sheela A. Moses, Salom Gnana Thanga Vincent
DOI:
10.9734/ajee/2020/v12i430165
Page: 22-32
Boubaker Khallef, Yamina Biskri, Nabil Mouchara, Khaled Brahamia
DOI:
10.9734/ajee/2020/v12i430167
Page: 42-51
Tudararo-Aherobo Laurelta, Okotie Sylvester, Ataikiru Tega, Stephen Avwerosuoghene
DOI:
10.9734/ajee/2020/v12i430175
Page: 52-62