“Estimation of Biodegradability of CIRA UNAN-Managua Wastewater Effluent According to ISO 10707 and OECD 301D”. Revista Científica Estelí, no. 37 (March 25, 2021): 17–34. Accessed August 10, 2025. https://revistas.unan.edu.ni/index.php/Cientifica/article/view/2129.