Betancourth, Danilo, John Betancourth, David Burbano, Anderson Cabrera, Jaime Moncayo, Andrés Tello, and Jenny Lucia Huertas Delgado. “Presentation to the University Community about Soils of Little Knowledge Such As Gelisols and Histosols”. Boletí­n Informativo CEI 5, no. 2 (August 5, 2018): 126. Accessed May 16, 2024. https://revistas.umariana.edu.co/index.php/BoletinInformativoCEI/article/view/1671.