000			00353nam a2200145Ia 4500
005			20240821160157.0
008			240821s9999||||xx |||||||||||||| ||und||
082			_a507 DOR
100			_aDoraiswami, S.
245		0	_aImproved science teaching in schools
260			_aNew Delhi _bNCERT _c1963
300			_aiv,188p
650			_aScience
942			_cBK
999			_c151672 _d151672