Adawiyah, R., N. Yuliasari, Y. Hanifah, . K. Alawiyah, and N. Rahayu Palapa. “Utilizing Areca Catechu L. Fruit Peel-Derived Biochar and Hydrochar for Congo Red Adsorption: Kinetic and Thermodynamic Analysis”. Indonesian Journal of Environmental Management and Sustainability, vol. 8, no. 4, Dec. 2024, pp. 135-44, doi:10.26554/ijems.2024.8.4.135-144.