FEBRIANTO WAJAR, K.; THAMSI, A. B.; CHALIK, C. A. Perancangan Sequence Triwulan Ketiga Penambangan Batubara pada PT Garda Tujuh Buana Tbk Provinsi Kalimantan Utara. Journal of Mining Insight, [S. l.], v. 1, n. 3, p. 84–92, 2023. DOI: 10.58227/jmi.v1i3.214. Disponível em: https://ejournal.insightpublisher.com/index.php/JMI/article/view/214. Acesso em: 29 aug. 2025.