TY  - BOOK
AU  - Ojwang',Alfred
TI  - Science matters 7:  a science course for primary schools pupils book 7 
SN  - 978-9966-253-00-2 9966253009
U1  - 500.713 OJW 
PY  - 1998///
CY  - Nairobi. 
PB  -  East African Educational Publishers
KW  - Science-study and teaching (primary)
ER  -