TY  - BOOK
AU  - Ngure,Jane
TI  - Where do light and sound come from? 
SN  - 978-9966-226-80-8
U1  - 428.6 NGU 
PY  - 2008///
CY  - Nairobi
PB  -  Jomo Kenyatta foundation
KW  - English
ER  -