Ríos-Plaza, Juan Luis, Rafael Zúñiga-Valenzuela, J. Guadalupe Luna-Ortega, Martha Vianey Perales-García, Anselmo Gonzáles-Torres, and Sarai Shesarelli Mendoza-Retana. “Circular Valorization of Nopal (Opuntia spp.) Waste through Anaerobic Digestion: Biofertilizer Quality, Agronomic Response and Carbon Footprint”. Journal of the Professional Association for Cactus Development 28 (April 1, 2026): 93–108. Accessed April 2, 2026. https://www.jpacd.org/jpacd/article/view/619.