000			00363nam a2200157Ia 4500
008			200208s9999 xx 000 0 und d
020			_a9788175551602
082			_aH 333.707 SIN
100			_aSinghm Yogesh Kumar
245		0	_aParyavaraniya shiksha
260			_aNew Delhi
260			_bUniversity Pub.
260			_c2007
300			_a189p.
942			_cB
999			_c224042 _d224042