Shimaa A. Amin, Hemmat M. Abdelhady, Khadiga A. Abou-Taleb, Zahra H. Tayeb, Rania F. Ahmed
DOI:
10.9734/sajrm/2020/v6i230144
Page: 1-9
Samson Ogagaoghene Egurefa, Micheal Uchenna Orji, Bright Obidinma Uba
DOI:
10.9734/sajrm/2020/v6i230145
Page: 10-23
Ya-Jing Li, Qing-Ping Hu
DOI:
10.9734/sajrm/2020/v6i230146
Page: 24-32
M. O. Adamu, I. G. Azamu, A. H. Yakubu, A. M. Sani
DOI:
10.9734/sajrm/2020/v6i230148
Page: 39-47
Ali Mohamed Elshafei
DOI:
10.9734/sajrm/2020/v6i230147
Page: 33-38