Karvenia IA, Royani I, Mohadi R. Hydrochar Derived from Pennisetum setaceum for Congo Red Adsorption: A Low-Cost Bioadsorbent from Invasive Grass. indones. j. env. man. sus. [Internet]. 2025Sep.1 [cited 2026Apr.19];9(3):156-70. Available from: https://ijoems.com/index.php/ijems/article/view/486