TY  - BOOK
AU  - Ngaruiya, George...et al
TI  - Longhorn secondary chemistry teachers guide for form 1
SN  - 978-9966-495-66-2 
U1  - 540.712 NGA 
PY  - 2003///
CY  - Nairobi. 
PB  -  Longhorn Publishers
KW  - NATURAL SCIENCES & MATHEMATICS
ER  -