Putra, A., Zaimahwati, Syahyadi, R., Rihayat, T., Dewi Astuti, R.D. and Izzati, I.A.I. 2022. ULTRASOUND-ASSISTED ADSORPTION HG (II) USING KAOLIN ADSORBENTS MODIFIED WITH ANIONIC SURFACTANT. International Journal of Research -GRANTHAALAYAH. 10, 10 (Nov. 2022), 216–227. DOI:https://doi.org/10.29121/granthaalayah.v10.i10.2022.4829.