Carlos Alfonso Zafra-Mejía, Hugo Alexander Rondón-Quintana, Juan Carlos Ruge-Cárdenas. “Assessment of Dissolved Air Flotation System for Wastewater Treatment in a Paper Industry”. International Journal of Advanced Science and Technology 29, no. 04 (June 6, 2020): 8672 -. Accessed May 7, 2024. http://sersc.org/journals/index.php/IJAST/article/view/30606.