Pérez Olvera, M. A. (2008) “Concentration of Pb, Cd, Ni, and Zn in polluted soils and their transference to broccoli heads”, REVISTA TERRA LATINOAMERICANA, 26(3), pp. 215–225. Available at: https://terralatinoamericana.org.mx/index.php/terra/article/view/1345 (Accessed: 31 August 2024).