00445nam a22001457a 4500 5450 5450 20230621113316.0 221109b ||||| |||| 00| 0 eng d 9789966704948 OST QD478 .T96 2006 Teaching Secondary School Chemistry: A textbook for teachers in developing countries/ Twoli Nicholas W. Nairobi, Kenya Nehema Publishers 2006 iv,176p. lcc BK 0 0 lcc 0 0 LPL LPL GEN 2022-11-09 purchase 1 QD478 .T96 2006 2022/13,576 2025-11-08 15:16:16 2025-10-23 13,576 2022-11-09 BK