Ginting, I.F. et al. 2024. Remediation Of Lead and Cadmium Contaminated Soil Using Fly Ash and Organic Materials. Jurnal Ilmu Tanah dan Lingkungan. 26, 2 (Oct. 2024), 66–71. DOI:https://doi.org/10.29244/jitl.26.2.66-71.