Jalca Zambrano, Ivonne, Luz Cecilia García Cruzatty, Jessenia Castro Olaya, Ronald Villamar Torres, and Marcelino Guachambala Cando. 2019. “Optimal Conditions for Pollen Storage of Ochroma Pyramidale”. Revista Bosque 40 (2):227-33. https://revistabosque.org/index.php/bosque/article/view/738.