“Uso De cáscara De Cacao (Theobroma Cacao) Para La Remocion De Cromo En solución Acuosa”. Revista EIA 17, no. 34 (November 15, 2020): 1–13. Accessed July 18, 2025. https://eiaupgrade.metarevistas.org/index.php/reveia/article/view/1393.