Septiansyah SI, Afandi IH, Dirtami RT. Activation of Kaolin Minerals from Ketapang Regency as Cu Metal Adsorbent Material. Eksplorium: Bul. Pus. Bang. BGN [Internet]. 2022 Nov. 30 [cited 2025 Dec. 6];43(2):103-10. Available from: https://ejournal.brin.go.id/eksplorium/article/view/8143