Rojas-Rodríguez, Freddy, and Gustavo Torres-Córdoba. “Trees of the Central Valley of Costa Rica: Reproduction of Güísaro (Psidium Guineense Sw.)”. Revista Forestal Mesoamericana Kurú 16, no. 39 (June 28, 2019): 64–66. Accessed April 8, 2025. https://revistas.tec.ac.cr/index.php/kuru/article/view/4440.