TY  - BOOK
AU  - Okere, Mark
TI  - Physics education:a textbook of methods for physics teachers
SN  - 9966-901-06-X
AV  - SBL QC 21.2 O5
PY  - 0000///0
CY  - Nairobi
PB  - Egerton University Educational materials centre 
ER  -