Eman M. M. Zayed, S. S. Darwesh Rasmia, Khaled Abd-El Hamed
DOI:
10.9734/arja/2020/v12i130072
Page: 1-11
Joko Priyono, Anak Agung Ketut Sudharmawan
DOI:
10.9734/arja/2020/v12i130073
Page: 12-17
Teshome Gizachew Belay, Tamirat Tefera Negash
DOI:
10.9734/arja/2020/v12i130076
Page: 36-46
Ajayi G. T, Ajiboye .A
DOI:
10.9734/arja/2020/v12i130074
Page: 18-23
K. N. N. Ezike, E. N. Okeowata, V. A. Chukwu, Ogonna O. Osuafor
DOI:
10.9734/arja/2020/v12i130075
Page: 24-35