Hevira, L., and Gampito. “The Kinetic Analysis and Adsorption Isotherm of Chicken Egg Shells and Membranes Against Synthetic Dyes”. Jurnal Riset Teknologi Pencegahan Pencemaran Industri, vol. 13, no. 2, Nov. 2022, pp. 28-36, doi:10.21771/jrtppi.2022.v13.no2.p28-36.