000			00386nam a2200157Ia 4500
008			230917s9999||||xx |||||||||||||| ||und||
040			_e215260 _aMAIN
041			_aEnglish
082			_a658.4034 G959O(7)
100			_aGupta, Prem Kumar
245		0	_aOperations research
250			_a7th. rev. ed.
260			_aNew Delhi _bS Chand _c2014
300			_axii, 1498 p.
942			_cBK
999			_c178892 _d178892