TY  - BOOK
AU  - Ngaruiya, George
TI  - Longhorn secondary chemistry  teacher's guide for form 4
SN  - 978-9966-495-69-3
U1  - 540.712 NGA 
PY  - 2005///
CY  - Nairobi
PB  -  Longhorn
KW  - Chemistry and allied sciences
ER  -