“Adsorption of Rare Earth Elements (REEs) onto Activated Carbon Modified With Potassium Permanganate (KMnO4)”. Journal of Applied Solution Chemistry and Modeling 6, no. 2 (June 17, 2017): 51–61. Accessed December 23, 2025. https://neolifescience.com/index.php/JASCM/article/view/4712.