Manosalva-Sánchez, S. R., & Naranjo-Merchán, W. E. (2007). Kaolin's characterization and potential in the Boycá department. Universidad Pedagógica y Tecnológica de Colombia - UPTC.
Čikaški stil citiranja (17. izdanje)Manosalva-Sánchez, Sandra Rocío, i Wilson Enario Naranjo-Merchán. Kaolin's Characterization and Potential in the Boycá Department. Universidad Pedagógica y Tecnológica de Colombia - UPTC, 2007.
MLA način citiranja (9. izdanje)Manosalva-Sánchez, Sandra Rocío, i Wilson Enario Naranjo-Merchán. Kaolin's Characterization and Potential in the Boycá Department. Universidad Pedagógica y Tecnológica de Colombia - UPTC, 2007.
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