Qisthina N, Nikensari SI, Yuniarti P. Analisis Daya Saing Ekspor Batu Bara Indonesia ke ASEAN. EKOMA [Internet]. 2024 May 24 [cited 2026 Aug. 13];3(4):1523-31. Available from: https://al-haramjournal.co.id/EKOMA/article/view/3642