TY  - BOOK
AU  - Gatua,Catherine
TI  -  The Big step Science for E CdE[pre-primary2] pupils book 
SN  - 978-0-19-573489-8
U1  - 372.35 GAT 
CY  - Nairobi
PB  -  Oxford University press 2009.
KW  - Science
ER  -