Toxic heavy metals removal using a hydroxyapatite and hydroxyethyl cellulose modified with a new Gum Arabi. Indonesian J. Sci. Technol [Internet]. 2023 Nov. 28 [cited 2025 Sep. 26];6(1):41-64. Available from: https://ejournal.kjpupi.id/index.php/ijost/article/view/54