000			00351nam a2200145Ia 4500
008			230917s9999||||xx |||||||||||||| ||und||
040			_e84032 _aMAIN
041			_aEnglish
082			_a372.35044 M312T
100			_aMangal, S K
245		0	_aTeaching of science
260			_aNew Delhi _bArya Book Depot _c1992
300			_avi, 397 p.
942			_cBK
999			_c70204 _d70204