Piña, L., Dorante, E., García, C., González, J., & Martínez, K. (1). Operational variable effects on heavy metals acid leaching present in fly ash. Rev. Téc. Fac. Ing. Univ. Zulia, 27(1). Recuperado a partir de https://mail.produccioncientificaluz.org/index.php/tecnica/article/view/5830