Plazas Díaz, F. A. (2016). Analysis of the evolution of foreign direct investment in the coal mining sector in Colombia from 2002 to 2013. Universidad Pedagógica y Tecnológica de Colombia.
Chicago-čujuhus (17. p.)Plazas Díaz, Fabián Alfredo. Analysis of the Evolution of Foreign Direct Investment in the Coal Mining Sector in Colombia from 2002 to 2013. Universidad Pedagógica y Tecnológica de Colombia, 2016.
MLA-čujuhus (9. p.)Plazas Díaz, Fabián Alfredo. Analysis of the Evolution of Foreign Direct Investment in the Coal Mining Sector in Colombia from 2002 to 2013. Universidad Pedagógica y Tecnológica de Colombia, 2016.
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