Ruiz-Espinoza, Francisco Higinio, Jesús Felipe Alvarado-Mendoza, Bernardo Murillo-Amador, José Luis García-Hernández, Roberto Pargas-Lara, Juan de Dios Duarte-Osuna, F. Alfredo Beltrán-Morales, and Liborio Fenech-Larios. 2008. “Yield and Growth of Green Cladodes of Prickly Pear (Opuntia Ficus-Indica) Cultivars under Different Plant Densities”. Journal of the Professional Association for Cactus Development 10 (January):22-35. https://doi.org/10.56890/jpacd.v10i.117.