Bilal Abdullah Nasir
DOI:
10.9734/jenrr/2021/v8i430217
Page: 17-20
Maarouf I. Mohammed, Salma I. Abdalbagi
DOI:
10.9734/jenrr/2021/v8i430215
Page: 1-16
Okoro Emmanuel Evans, Mike Onyekonwu, Joseph Ajienka
DOI:
10.9734/jenrr/2021/v8i430218
Page: 21-38
A. A. Adegbola, O. A. Adeaga, A. O. Babalola, A. O. Oladejo, A. S. Alabi
DOI:
10.9734/jenrr/2021/v8i430219
Page: 39-50
Wallace Manheimer
DOI:
10.9734/jenrr/2021/v8i430220
Page: 51-63