Putra, Alfian, Zaimahwati, Rizal Syahyadi, Teuku Rihayat, and Nurhanifa Aidy. “REMOVAL OF HG(II) METAL IONS USING KAOLIN ADSORBENTS MODIFIED WITH ANIONIC SURFACTANT AND EFFICIENT ULTRASONIC ASSISTED”. International Journal of Research -GRANTHAALAYAH 9, no. 11 (November 30, 2021): 72–84. Accessed May 1, 2024. https://www.granthaalayahpublication.org/journals/granthaalayah/article/view/4379.