000 00361nam a2200133Ia 4500
008 100324s9999 xx 000 0 und d
100 _aMansfield E
245 _aManagerial economics and operations research
260 _c1971
_bMacmillan and Company
_aNew Delhi
366 _b1971
650 _aECONOMICS
942 _cBK
999 _c66155
_d66155