Autor: Juan Li, 5 titluri

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Mantak Chia,Juan Li

Ghid de conversatie si civilizatie roman-spaniol, cu suport multimedia

Juan Garcia Linares

Ghid de conversatie si civilizatie roman-spaniol cu CD

Juan Garcia Linares

Managing Innovation and Operations in the 21st Century

Jose Arturo Garza Reyes,Vikas Kumar,Ming K. Lim,Juan Luis Martinez Covarrubias

Introduction to Trade Policy

Aluisio Lima Campos,Juan Gaviria