Lelifajri, Hafizhah, A., Khairi and Anta Kacaribu, A. 2026. NaOH-Activated Carbon from Gnetum gnemon L. Shell Waste for Methylene Blue Adsorption from Aqueous Solutions. Applied Science and Engineering Progress. 19, 4 (Feb. 2026), 8065. DOI:https://doi.org/10.14416/j.asep.2026.02.010.