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Nursanto E, Idrus A, Amijaya DH, Pramumijoyo S. KETERDAPATAN DAN TIPE MINERAL PADA BATUBARA SERTA METODE ANALISISNYA. TECHNOSCIENTIA [Internet]. 2011 Aug. 1 [cited 2024 Dec. 28];4(1):1-10. Available from: https://ejournal.akprind.ac.id/index.php/technoscientia/article/view/124