Puspita, E., M. . Ginting, and Ramlan. “Preparation and Characterization of Fe2O3 from Iron Sand of the Coastal Sea of Cidaun Beach-South Cianjur (Indonesia) Using the Co-Precipitation Method”. Science and Technology Indonesia, vol. 8, no. 4, Oct. 2023, pp. 594-8, doi:10.26554/sti.2023.8.4.594-598.