García Pérez, J. F. A. “Characterization of Ordinary Solid Waste in the Alonso Vera Landscape Zone (Girardot, Cundinamarca) and Their Potential Environmental Implications”. Revista Luna Azul (On Line), no. 40, Jan. 2015, pp. 213-2, doi:10.17151/10.17151/luaz.2015.40.14.