Md. Nazmul Hasan Mehedi, Avijit Halder, Md. Fakhrul Hasan, Nowrin Islam Toma, Md. Abdur Rouf, Jannatul Farthouse, Md. Aktarul Islam
DOI:
10.9734/ajahr/2020/v6i230067
Page: 1-12
Oyewole, Charles Iledun, Aminu Patience
DOI:
10.9734/ajahr/2020/v6i230068
Page: 13-21
T. R. Chapagain, A. K. Shrestha, M. D. Sharma, K. Mishra Tripathi, A. Srivastva
DOI:
10.9734/ajahr/2020/v6i230069
Page: 22-29
A. M. M. Al- Naggar, M. M. Shafik, R. Y. M. Musa
DOI:
10.9734/ajahr/2020/v6i230070
Page: 30-44
Lucy A. Onoh, Charles C. Onoh, Christiana I. Agomuo, Theresa C. Ogu, Evajoy O. Onwuma, Frank C. Anaeto
DOI:
10.9734/ajahr/2020/v6i230071
Page: 45-53