Agipa AI, Muarif MF. Phospate Release Study on Silica Gel and Amino Silica Hybrid Sorbent from Lapindo Mud. J. Akademika Kimia [Internet]. 2022May30 [cited 2025Feb.3];11(2):83-90. Available from: https://jurnalfkipuntad.com/index.php/jak/article/view/2089