000 00458nam a2200181Ia 4500
008 230917s9999||||xx |||||||||||||| ||und||
020 _cRS650
040 _e252918
_aMAIN
041 _aEnglish
082 _a658.4034 G959O(7)
100 _aHira, D S
245 0 _aOperations research
250 _a7th ed.
260 _aNew Delhi
_bS Chand
_c2018
300 _axii, 1498 p.
500 _a3389 02/01/2019 HBD19/7721 12/02/2019 Main Budget
942 _cBK
999 _c29758
_d29758