Yana, A.D. et al. 2026. Determination of Thorium Distribution Coefficient in Clay Soil From Bangka Belitung for Radioactive Waste Management. Hydrogen: Jurnal Kependidikan Kimia. 14, 2 (May 2026), 410–414. DOI:https://doi.org/10.33394/hjkk.v14i2.20366.