000			00356nam a2200145Ia 4500
005			20260205102638.0
008			260111s9999||||xx |||||||||||||| ||und||
082			_a509 Si64V
100			_aSingh,Jai Ram
245		0	_aVigyan Ka Vikas Aur Manav Pragati(H )
260			_aNew Delhi _bPraveen _c1990
300			_a112p.
690			_aScience
942			_cBK
999			_c249647 _d249647