Cáceres, Vivianne Isel, et al. “Clay from the Carbonera Geological Formation in the Metropolitan Area of Cúcuta: Characterization and Applicability in the Ceramic Industry”. Mundo FESC Journal, vol. 11, no. 22, July 2021, pp. 106-21, https://www.fesc.edu.co/Revistas/OJS/index.php/mundofesc/article/view/1043.