Villegas Gómez, Juan David, Jhonniers Guerrero Erazo, Juan Mauricio Castaño Rojas, y Diego Paredes Cuervo. «Septic Tank (ST)-Up Flow Anaerobic Filter (UFAF)-Subsurface Flow Constructed Wetland (SSF-CW) Systems Aimed at Wastewater Treatment in Small Localities in Colombia». Rev. Téc. Fac. Ing. Univ. Zulia 29, no. 3 (noviembre 3, 2010). Accedido junio 7, 2025. https://mail.produccioncientificaluz.org/index.php/tecnica/article/view/6031.