Wahyuningsih T, Amalia Y, Fahrezi MI, Putra F, Kasih ZF, Alfarizi A, Syah RZ. The Effect of HNO3 Concentration Variations on the Recovery of REEs from Coal Fly Ash Through Hydrometallurgical Process. cset [Internet]. 2025Oct.14 [cited 2025Oct.20];4(1):561-70. Available from: https://proceeding.researchsynergypress.com/index.php/cset/article/view/1080