000 00297nam a2200121Ia 4500
008 170101s1964 xx 000 0 und d
082 _a003 PAT
100 _aPatel R C
245 0 _aOperations Research
260 _aAhemdabad
_bC. Jumana Das and co.
_c1964
300 _a409 p.
942 _2ddc
_cB
999 _c985266
_d985266