Pages 41-48
Sevidzem S. Lendzele; Mintsa-Nguema Rodriquge; Makanga Boris; Pyazzi O. O. Kutomy; Koumba A Armel; Zinga-Koumba R. Christophe; Sima O. R. Leotard; Jacques F. Mavoungou
Pages 49-56
Ismail Muhammad; Bala Abubakar; Mahmoud T. Mohammed; Aishatu Abdullahi; Asiya M. Usman; Sulaiman Abubakar
Pages 57-68
Musa Y Tula; Onaiwu I Enabulele; Anthony E Ophori; Abumhere S Aziegbemhin; Osaretin Iyoha; Joel Filgona
Pages 69-75
Ismail Muhammad; Khadija M. Salihu; Asiya M. Usman; Suleiman Abubakar
Pages 76-82
Musa Y Tula; Joel Filgona; Osaretin Iyoha; Usman U Wafari; Richard Elisha