Salgado-García, Sergio. “Interpretation Methods of Nutrient Diagnosis in Orange Cv. Valencia (Citrus Sinensis L. Osbeck)”. REVISTA TERRA LATINOAMERICANA, vol. 30, no. 2, Feb. 2022, pp. 139-45, https://terralatinoamericana.org.mx/index.php/terra/article/view/1109.