00390nam a2200145   45000010005000000030003000050050017000080080041000250350018000660350017000840500021001011000027001222450066001492600029002159556UR20220428183153.0061102|||||||||||||||||||||||||||||||| d  a(janium) 9545  a(janium)9545 4aHB172b.E34 19951 aEkelund Jr., Robert B.10aIntermediate microeconomicsb : price theory and applications  bD.C. Heath and Co.c1995