Ramos Flores, M. E., Bravo, W., Chaglla Cango, M. T., Urena Callay, G. B., & Lema, M. (2026). Carbonaceous Materials and Cacao Waste Nanomaterials for Heavy Metal Removal. Athenea Engineering Sciences Journal, 7(23), 18-27. https://doi.org/10.47460/athenea.v7i23.124