000			00376nam a2200145Ia 4500
005			20250525020005.0
008			240601s2020 xx 000 0 eng d
041			_aENG
082			_aGUP
100			_aGupta, S P,Gupta, S L,
245		0	_aQuantitative Techniques and Operation Research
250			_a3rd
260			_aNew Delhi _bSultan Chand Sons _c2020
942			_2ddc _cREF _04
999			_c1775 _d1775