TY  - BOOK
AU  - Obuong ,S.I.O
TI  - KCSE Masterpiece  Revision Biology: Photography Manual ,2nd edition. 
SN  - 9966-06-007-3
U1  - 570 
PY  - 2011///
CY  - Nairobi
PB  - Masterpiece Educational Publishers. 
ER  -