TY  - BOOK
AU  - Oluoch , Charles .
TI  - K.C.S.E Score More Biology : Revised Edition. 
SN  - 978-9966-066-26-8
U1  - 570 
PY  - 2015///
CY  - Nairobi. 
PB  - Storymoja Publishers. 
ER  -