Barrantes-Sotela, Omar, and Luis Sandoval-Murillo. “USO/COBERTURA/DE/LA/TIERRA/EN/LOS/CANTONES/DE/UPALA,/GUATUSO/Y/LOS/CHILES/EN/EL/AÑO/2011”. Revista Geográfica De América Central, vol. 1, no. 56, May 2016, pp. 59-91, https://doi.org/10.15359/rgac.1-56.3.