Mbalu, P. M. ,A.D.K, Nyoroh and J.M, Kiburi Premier golden tips : biology for secondary schools - Nairobi : Moran (E.A ) , 2006 . - 332 P. : ill. ISBN: 9789966341761 Subjects--Topical Terms: Biology -- Study and teaching (Secondary) LC Class. No.: QH 303.2 .G53 2006