| 000 | 00388pam a2200157a 44500 | ||
|---|---|---|---|
| 008 | 230515b1990 xxu||||| |||| 00| 0 eng d | ||
| 020 | _aNULL | ||
| 041 | _aENGLISH | ||
| 082 | _a001.424 /GUP/HIR | ||
| 100 | _aGUPTA P. K. / HIRA D. S. | ||
| 245 | _aOPERATIONS RESEARCH(S.CHAND) | ||
| 250 | _aNULL | ||
| 260 |
_aNULL _bS. CHAND AND COMPANY _c1990 |
||
| 300 | _a918 PB | ||
| 650 | _aNULL | ||
| 999 |
_c621486 _d621486 |
||