R. Cabrera-Contreras, R. Morelos-Ramírez, J. P. Quiróz-Ríos, D. Muñoz-Quiróz
DOI:
10.9734/mrji/2020/v30i430209
Page: 19-25
Ouattara Abou, Bolou Gbouhoury Eric-Kévin, Koffi Allali Eugène, Yasseu Hyacinthe, Ouattara Karamoko, Coulibaly Adama
DOI:
10.9734/mrji/2020/v30i430207
Page: 1-9
Vincent Chigor, Chidiebele Nwankwo, Uchenna Ogbodo, Joseph Ugwu
DOI:
10.9734/mrji/2020/v30i430208
Page: 10-18
Hortense Gonsu Kamga, Yves Le Grand Napa Tchuedji, Emilia Lyonga Mbamyah, Jérémie Djiraibe, Anicette Chafa Betbeui, Michel Noubom, Bonaventure Jemea, Paul Owono Etoundi, Arthur Essomba
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10.9734/mrji/2020/v30i430210
Page: 26-33
Teodora Todorova, Martin Dimitrov, Ignat Ignatov, Georgi Gluhchev, Georgi Dinkov
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10.9734/mrji/2020/v30i430211
Page: 34-42
K. Raja, R. Anandham
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10.9734/mrji/2020/v30i430212
Page: 43-55
C. I. Chikwendu, R. K. Obi, K. C. Ibe, J. C. Orji
DOI:
10.9734/mrji/2020/v30i430213
Page: 56-67