Nagy-Mezei C, Bezsenyi A, Gyarmati I, Kardos L. Heavy Metal Content and Methods of Reduction in Sewage Sludge. JCEGI [Internet]. 2022 Dec. 13 [cited 2025 Dec. 5];10(Suppl 1):211-23. Available from: https://journal.uni-mate.hu/index.php/jcegi/article/view/3513