Ulmer, Melville J. Economics : theory and practice. - 2da.ed. - New York : Houghton Mifflin, 1959. - 759 p. ; 24 cm. Notas a pié de página. Subjects--Topical Terms: ANALISIS ECONOMICOMACROECONOMIAMICROECONOMIA Index Terms--Genre/Form: LIBRO Universal Decimal Class. No.: E-451