Guerrero, L. and Herrera, L. (1) “Stabilization pond effluents polishing by slow sand filtration”, Rev. Téc. Fac. Ing. Univ. Zulia, 20(1). Available at: https://produccioncientifica.luz.edu.ve/index.php/tecnica/article/view/5527 (Accessed: 1August2025).