T. Simeonova, I. Atanassova, M. Benkova, L. Nenova, and M. Harizanova, “Effect of biochar on anion mobilization in soils polluted with heavy metals”, BJAS, vol. 31, no. 4, pp. 660–672, Aug. 2025, Accessed: Oct. 26, 2026. [Online]. Available: https://agriacad.eu/ojs/index.php/bjas/article/view/4667