Kiptoo, Michael K.; Lihana, Raphael W.; Khamadi, Samoel A.; Lwembe, Raphael M.; Ochieng, Washingtone; Kinyua, Joyceline G.; Muriuki, Joseph K.; Lagat, Nancy; Osman, Saida; Mwangi, Joseph M.; Okoth, Fredrick A.; Elijah M. Songok
(Mary Ann Liebert, 2009)