00472nam a2200145 a 450000500170000000800410001704100080005810000260006624500610009226400330015330000080018694200070019499900170020195201080021820260717091734.0260717s1999    ii            000 0 eng d  aeng1 aGopal lal krishna, D.12aA Study of managerial Economics /cGopal lal krishna, D. 1bNational Book Turest,c1999.  a445  cBK  c38792d38792  001040708DCaBKBCLbBKBCLd2000-03-30g375.00l0p40321r2026-07-17 09:17:34v375.00w2026-07-17yBK