000			00309nam a2200133Ia 4500
100			_aVigyan shikshak
942			_cBK
245			_avigyan shikshak 1967
260			_aNew Delhi _bAll India Science Teachers Asso. _c1967
082			_a375.5 _bVS
300			_a46,30,52,42
546			_aMarathi
999			_c337461 _d337461
041			_amar