“Elimination of giardia and cryptosporidium at the Villa de Leyva, Boyacá, Colombia drinking water treatment plant”., LEI, vol. 13, no. 1, pp. 63–75, Aug. 2024, Accessed: Jul. 18, 2026. [Online]. Available: https://revistas.santototunja.edu.co/index.php/lingenieux/article/view/3022