Klaus Dölle, Hélène Rainville
DOI:
10.9734/jerr/2021/v21i717475
Page: 1-18
Muhammad Armaghan Siffat, Muhammad Ishfaq, Afaq Ahmad, Khalil Ur Rehman, Fawad Ahmad
DOI:
10.9734/jerr/2021/v21i717476
Page: 19-28
Samson A. Adeleye, Iyiola O. Oluwaleye, Taiwo O. Oni
DOI:
10.9734/jerr/2021/v21i717477
Page: 29-43
Stephen U. Ufoaroh, Kelvin N. Nnamani, Azubuike N. Aniedu
DOI:
10.9734/jerr/2021/v21i717478
Page: 44-58
Yousry B. I. Shaheen, Fatma M. Eid, Omnia Mesalam
DOI:
10.9734/jerr/2021/v21i717480
Page: 71-84