Dr. Alejandro Fernández Morales. “Sustainable Coagulation–Flocculation Pathways for Water and Wastewater Treatment: Advances, Mechanisms, and Environmental Implications of Natural and Tannin-Based Coagulants”. Ethiopian International Journal of Multidisciplinary Research 12, no. 11 (November 30, 2025): 659–664. Accessed August 24, 2026. https://www.eijmr.org/index.php/eijmr/article/view/4470.