Ng'ang'a, Zipporah W.; Nyagaka, Benuel; Kiptoo, Michael K.; Lihana, Raphael W.; Khamadi, Samoel A.; Makokha, Ernest P.; Kinyua, Joyceline G.; Mwangi, Joseph; Osman, Saida; Lagat, Nancy J.; Muriuki, Joseph; Okoth, Vincent; Gicheru, Michael; Songok, Elijah M.
(Mary Ann Liebert, Inc., 2012)