TY - BOOK AU - Karaka,James (et al) AU - Nyangasi,Leah AU - Githui,Kimamo TI - Understanding Science: Pupil's Book 7 SN - 9789966312822 U1 - 500.507 Revised Edition PY - 2004/// CY - Nairobi PB - Longhorn Publishers (K) Ltd. KW - Science KW - Nairobi ER -