E. Graycochea Jr., B. C. Bacquian, F. R. Gomez
DOI:
10.9734/jerr/2020/v11i317057
Page: 1-4
Arthur M. Omari, John P. John, Baraka Kichonge
DOI:
10.9734/jerr/2020/v11i317060
Page: 5-19
Ahmed E. Abu El-Maaty, Mohammed E. Ouf, Saddam Shahrah
DOI:
10.9734/jerr/2020/v11i317061
Page: 20-29
Clement A. Idiapho, Sani I. Awwal
DOI:
10.9734/jerr/2020/v11i317062
Page: 30-45
Maen Almarei, Khaled Daqrouq
DOI:
10.9734/jerr/2020/v11i317063
Page: 46-61