Rustiana, T., Aprilani, M., Safitri, B., & Wanti, L. S. (2025). Utilization of Chicken Egg Shells as Adsorbents for Indigosol Blue Dyes with Variations of Activators. Jurnal Pijar Mipa, 20(1), 59–64. https://doi.org/10.29303/jpm.v20i1.8286