Kurniawan, W., Aldila, H. and 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), pp. 31-36. doi: 10.33019/jrfi.v2i2.3221.