Teaching secondary school chemistry :
Twoli, Nicholas W.
Teaching secondary school chemistry : a textbook for chemistry teachers in developing countries. - Nairobi : Nehema, 2006. - iv, 176 p.
9966704949 : KES 250
Chemistry--Study and teaching.
QD40 / .T96
Teaching secondary school chemistry : a textbook for chemistry teachers in developing countries. - Nairobi : Nehema, 2006. - iv, 176 p.
9966704949 : KES 250
Chemistry--Study and teaching.
QD40 / .T96