Taoufik Elabbassi, Harouna Bonkoukou Abdoulaye, Mohamed Ouchane, Mohamed Rachid Lefriyekh
Page: 8-12
Serekara Gideon Christian, Evelyn Mgbeoma Eze, Anthony Chijioke Uzoanya Ezimah, Fiekumo Igbida Buseri
Page: 1-7
Augustine Ikhueoya Airaodion, Emmanuel Onyebuchi Ogbuagu
Page: 13-19
O. N. Ilochi, U. I. Opurum, V. A. Ukhurebor, S. Bassey, A. N. Chuemere
Page: 20-26
I. E. Ogregade, F. U. Igwe, T. G. Davies, E. S. Bartimaeus
Page: 27-36