000			00296nam a2200133Ia 4500
008			241226s9999 xx 000 0 und d
020			_a0
082			_bOPE
100			_a-
245		0	_aOperation management
260			_aNew Delhi : _bIcfai, _c2021.
350			_a500
650			_aCommunication
999			_c172238 _d172238