Y. E. Gbadamosi, O. O. Alabi, J. O. Borode
DOI:
10.9734/jerr/2021/v21i117441
Page: 68-73
Abeer M. Erfan, Tamer H. K. Elafandy, Mahmoud M. Mahran, Mohamed Said
DOI:
10.9734/jerr/2021/v21i117434
Page: 1-14
Nwabueze Michael Anosike
DOI:
10.9734/jerr/2021/v21i117435
Page: 15-24
M. S. Eisa, F. S. Abdelhaleem, V. A. Khater
DOI:
10.9734/jerr/2021/v21i117436
Page: 25-37
O. Adegoke Benjamin, F. Oladoye Stephen
DOI:
10.9734/jerr/2021/v21i117437
Page: 38-48
Nkwoada Amarachi, Onyedika Gerald, Oguzie Emeka, Ogwuegbu Martin
DOI:
10.9734/jerr/2021/v21i117439
Page: 49-67