Ysambertt, F., Paredes, J., & Márquez, N. (1). Analysis of copper and zinc content in the drinking water of Maracaibo city. A technical note. Rev. Téc. Fac. Ing. Univ. Zulia, 19(1). Recuperado a partir de https://produccioncientificaluz.org/index.php/tecnica/article/view/5498