Janković A, Ćujić M, Stojković M, Đolić M, Živojinović D, Onjia A, et al. Impact of leaching procedure on heavy metals removal from coal fly ash: Original scientific paper. Hem Ind [Internet]. 2024 Jan. 25 [cited 2024 Nov. 23];78(1):51-62. Available from: https://www.ache-pub.org.rs/index.php/HemInd/article/view/1178