000 | 00338nam a22001577a 4500 | ||
---|---|---|---|
003 | SGT | ||
020 | _a9788121902816 | ||
082 | _a001.424,GUP | ||
100 | _aGUPTA,P.K. | ||
245 | _aOPERATION RESEARCH | ||
250 | _a7TH | ||
260 |
_aNEW DELHI _bS. CHAND PUBLISHING _c2021 |
||
300 | _a1498 | ||
650 | _aRESEARCH | ||
942 |
_2ddc _cBK |
||
999 |
_c21604 _d21604 |