Alvarado García, Virginia, Gabriela Pérez Gómez, and Paola Gastezzi Arias. 2020. “Quality of the Urban Ecosystem Around Río Torres, San José, Costa Rica: Biotic and Abiotic Factors”. UNED Research Journal 12 (2):e3016. https://doi.org/10.22458/urj.v12i2.3016.