00534nmm a2200181Ia 4500008004100000041000800041100002100049245003000070264006800100300001800168490001500186650002700201700002100228700002800249856005100277942000700328999001700335251105s9999||||xx |||||||||||||||||und||  aspa  aHelpman, Elhanan 0aEl comercio internacional  a[México D.C., Mexico] :bFondo de Cultura Económica, c2016  a322 páginas  aBreviarios  aEconomics and Business  aHelpman, Elhanan1 a Reyes Mazzoni, Roberto  uhttps://public.digitaliapublishing.com/a/64255  cCF  c66785d66785