Martínez-Barbáchano, Rubén, and Gustavo Adolfo Solís-Miranda. “Spectral Characterization and Detection of Bud Rot on Oil Palm in Puntarenas, Costa Rica”. Revista Geográfica De América Central., vol. 2, no. 61, July 2018, pp. 349-77, https://doi.org/10.15359/rgac.61-2.13.