Wiyono, Imandy Yustine, and Werner R. Murhadi. “Strategic Management ‘Strategic Analysis at PT. Bukit Asam Tbk.’”. Dinasti International Journal of Education Management and Social Science 7, no. 2 (December 19, 2025): 1789–1799. Accessed June 3, 2026. https://dinastipub.org/DIJEMSS/article/view/5654.