Nisa NN, Cahyanto AD. Isotherm Study, Adsorption Kinetics and Thermodynamics of Lead Using Combination Adsorbent of Chitosan and Coffee Ground Activated Carbon. j.ris.technol.pencegah. [Internet]. 2023 Dec. 22 [cited 2025 May 4];14(3):1-11. Available from: https://www.jrtppi.id/index.php/jrtppi/article/view/173