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Los actores sociales costarricenses frente al tratado de libre comercio Costa Rica / México
Daniel Villalobos Céspedes and José Antonio Peraza Collado
Globalización y desafíos para la pequeña agricultura en Costa Rica
Jean Francois Le Coq et al.
Introducción a la estadística descriptiva con R
Eduardo Aguilar Fernández and José Andrey Zamora Araya