Reyes, R. ., and J. Valverde Flores. “Efficiency Of Micro-Nanobubbles for Wastewater Treatment in Puerto Bermúdez, Oxapampa, Pasco”. Journal of Nanotechnology, vol. 1, no. 1, July 2017, pp. 18-24, https://www.journals.cincader.org/index.php/nanoj/article/view/6.