Ortiz, Daniel, María José Anrango, Héctor Pérez, Lizeth Chela, Gabriela Villagrán, and Leonardo Fernandez. 2021. “Use of Efficient Microorganisms for Purification of Organic Pollutants in Urban Wastewater”. Ecuadorian Science Journal 5 (3), 355-62. https://doi.org/10.46480/esj.5.3.165.