Blanco–Macías, F., Magallanes–Quintanar, R., Vázquez–Alvarado, R. E., Méndez–Gallegos, S. de J., Troyo–Diéguez, E., Gallegos-Vázquez, C. and Valdez–Cepeda, R. D. (2011) “Opuntia ficus–indica (L.) Mill. yield depends on nutrients and nutrient ratios”, Journal of the Professional Association for Cactus Development, 13, pp. 1–9. doi: 10.56890/jpacd.v13i.84.