Ledesma-Giraldez, W., & Esmila Yeime. (2026). Characterization of influent and effluent at a wastewater treatment plant with trickling filters in the high Andean region of PeruCharacterization of influent and effluent at a wastewater treatment plant with trickling filters in the high Andean region of Peru. Universidad Y Salud, 28(2), e9491. https://doi.org/10.22267/rus.262802.9491