000 00383nam a2200145Ia 4500
008 230711s9999||||xx |||||||||||||| ||und||
041 _aENG
082 _a621
_bGU-Q
100 _aGupta,R.C
245 0 _aQuantitative methods operation research
250 _a1st
260 _c1987
_aNew Delhi
_bCBS Publishers & Distributors Pvt.Ltd
650 _aMechanical Engineering
942 _cBK
999 _c1381
_d1381