Azizah, Ayu, Budhi Oktavia, Indang Dewata, and Romy Dwipa Yamesa Away. “Optimation of Adsorpsi and Desorpsi of Mn2+ Ions on Gel-GPTMS Silica (Glycidoxypropyltrimethoxysilane) Modified With Sulfonates”. Jurnal Pijar Mipa 19, no. 5 (September 30, 2024): 911–915. Accessed November 22, 2024. http://jurnalfkip.unram.ac.id/index.php/JPM/article/view/7449.