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ANALISIS HARGA BATUBARA, EFISIENSI BIAYA, DAN PROFITABILITAS PT ATLAS RESOURCES TBK 2021–2025. JRIMA [Internet]. 2026 Nov. 9 [cited 2026 Nov. 15];4(4):455-79. Available from: https://jurnal.stieww.ac.id/index.php/jrima/article/view/1497