Ananda, Z.D. and Dewi, R.S. 2024. Preparation and Characterization of Adsorbents from Kluwak Shell (Pangium edule) Modified by Surfactant of HDTMA-Br. Journal of The Indonesian Society of Integrated Chemistry. 16, 1 (Jun. 2024), 15-20. DOI:https://doi.org/10.22437/jisic.v16i1.33946.