TY  - BOOK
AU  - Twoli,Nicholas W.
TI  - Teaching secondary school chemistry: a textbook for chemistry teachers in developing countries
SN  - 9966704949 :
AV  - QD40 .T96
PY  - 2006///
CY  - Nairobi
PB  - Nehema
KW  - Chemistry
KW  - Study and teaching
ER  -