000 00425nam a2200145Ia 4500
020 _a969483130X
082 _a372.35
_bNAS
245 _aSecondary school chemistry
_b: pupil's manual
_cNISTE
260 _aIslamabad:
_bN I S T E,
_c2000
300 _avii, 128p
500 _aNational Institute of Science and Technical Education, Islamabad
546 _aEng
650 _aChemistry-Study and teaching
_9177599
942 _cBK
999 _c151917
_d151917