GintingIna Febria, Darmawan, and IndriyatiLilik Tri. “Remediation Of Lead and Cadmium Contaminated Soil Using Fly Ash and Organic Materials”. Jurnal Ilmu Tanah dan Lingkungan 26, no. 2 (October 1, 2024): 66-71. Accessed April 16, 2025. https://journal.ipb.ac.id/index.php/jtanah/article/view/49438.