00341nam a2200145   45000010005000000030003000050050017000080080041000250350018000660350017000840500021001011000026001222450033001482600014001819132UR20220428114021.0061102|||||||||||||||||||||||||||||||| d  a(janium) 9121  a(janium)9121 4aHB74b.M3S2 19871 aSaenz Quiroga, Eladio10aMatematicas para economistas  bFCEc1987