“ Nonlinear Analysis of The Kinetics and Equilibrium for Adsorptive Removal of Paranitrophenol by Powdered Activated Carbon”. ASEAN Journal of Science and Engineering 3, no. 3 (February 6, 2024): 217–280. Accessed August 27, 2025. https://ejournal.kjpupi.id/index.php/ajse/article/view/337.