Uji Wahyuni, Endang, Budi Pramono, and Syarifuddin S. “Utilization of Shell Waste As an Adsorbent to Reduce Fe (Iron) Metal”. Asian Journal of Pharmaceutical Research and Development 11, no. 2 (April 14, 2023): 25–27. Accessed April 20, 2024. https://ajprd.com/index.php/journal/article/view/1245.