Karteyaini Baskaran, Noor Halini Baharim. Adsorptive Removal of Crystal Violet from Aqueous Solution Using Banana Pseudo Stem Biochar: Batch Adsorption Study. jst. 2025;17(1):1-10. Accessed April 8, 2026. https://publisher.uthm.edu.my/ojs/index.php/JST/article/view/21493