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Wahyuningsih, T.; Amalia, Y.; Fahrezi, M. I.; Putra, F.; Kasih, Z. F.; Alfarizi, A.; Syah, R. Z. The Effect of HNO3 Concentration Variations on the Recovery of REEs from Coal Fly Ash Through Hydrometallurgical Process. cset 2025, 4, 561-570.