00359nam a2200133 a 450000500170000000800410001704100080005808200100006610000210007624500560009726400480015330000110020165000130021220260717091046.0260717s1981    ii            000 0 eng d  aeng04a338.51 aGopalkrishna, D.12aA study of managerial economics /cGopalkrishna, D. 1aMumbai :bHimalaya publishing house,c1981.  a397 p. 4aCommerce