000 00279nam a2200121Ia 4500
008 211105s9999 xx 000 0 und d
020 _aVYASA08927
100 _aSwarup Kanti
245 0 _aOperations Research
250 _a\N
260 _bSultan chand & Sons
_c\N
300 _a891p.
999 _c7144
_d7144