1.
Loría Naranjo M, Beita Sandí W. Sludge biological index as operational bioindicator of two hospital wastewater treatments in Costa Rica. UNED Res. J. [Internet]. 2024 Sep. 30 [cited 2025 Jul. 1];16(1):e5334. Available from: https://revistas.uned.ac.cr/index.php/cuadernos/article/view/5334