Wynter, Vernon, Alejandro Delgado, Ima Avila, Héctor Li Pun, and Marcelino Avila. “HAS NO TITLE.”. Ciencia Agropecuaria, no. 3 (October 3, 1980): 37-47. Accessed October 7, 2025. http://200.46.165.126/index.php/ciencia-agropecuaria/article/view/557.