Otazo Sánchez, Gabriela Pérez-Baca Urbin, A. D. R. G. E. M., and F. P. G. A. J. Gordillo Martínez, José Roberto Villagóm. “Acid Soil Amended in Contaminated Conditions. Effect on Cultivated Lettuces (Lactuca Sativa Var. Longifolia)”. Emirates Journal of Food and Agriculture, vol. 31, no. 5, May 2019, pp. 342-5, doi:10.9755/ejfa.2019.v31.i5.1951.