00457nam a22001697a 4500 20260303101730.0 260303b |||||||| |||| 00| 0 eng d 9789914552409 Q161.M86 2025 112272 KLB EXCELLING GENERAL SCIENCE NAIROBI,KENYA KENYA LITERATURE BUREAU KLB 2025 V1,257P. SCIENCE TEXTBOOK KONGA GIVANS,WAMBUA KELLY lcc BK 216742 216742