000			00301nam a2200133Ia 4500
005			20260413100442.0
008			230516s9999||||xx |||||||||||||| ||und||
100			_aKhanna , O P
245		0	_aWork Study
260			_bDelhi ,Dhanpat Rai &Sons _c1992
300			_a327
942			_cDB
999			_c1286 _d1286