Sibello-Hernández, R. Y., A. Guillén-Arruebarren, R. M. Alomá-Orama, and L. Castellanos-Torres. “Reference Levels of Heavy Metals in Soils at the Depository of Hazardous Waste Juraguá, Cuba”. Revista Cubana De Química, vol. 33, no. 1, Mar. 2021, pp. 153-66, https://cubanaquimica.uo.edu.cu/index.php/cq/article/view/5172.