000 00335nam a2200133Ia 4500
008 100324s9999 xx 000 0 und d
100 _aGupta G.S
245 _aManagerial Economics
260 _c1990
_bTata McGraw Hill
_aNew Delhi
366 _b1990
650 _aECONOMICS
942 _cBK
999 _c78973
_d78973