Kurniawan, W., Aldila, H., & Livia, L. (2022). The Effect Of Contact Time Variations On The Efficiency Value And The Adsorption Kinetic Mechanism Of Iron (Fe) On Batik Waste Cual Using Chitosan. Jurnal Riset Fisika Indonesia, 2(2), 31-36. https://doi.org/10.33019/jrfi.v2i2.3221