000 00454nam a2200205Ia 4500
005 20250625165751.0
008 240220s9999 xx 000 0 und d
020 _a9788121902816
041 _aENG
082 _a658.4034
100 _aPremkumar Gupta
245 0 _aOperation research
260 _bS Chand & Company
260 _c2013
300 _a1418p.
365 _b0
650 _aDIP_MECHANICAL
700 _aHira D. S.
942 _cGRATIS
999 _c9263
_d9263