Studi Potensi Logam Tanah Jarang dari Coal Combustion Product Sisa Pembakaran PLTU Mulut Tambang. Geomine [Internet]. 2020 Dec. 31 [cited 2025 Jun. 27];8(03):237-46. Available from: https://jurnal.fti.umi.ac.id/index.php/JG/article/view/1411