Randa, Abigail Brenda Pasorong, Erwin Agung Nur Rohmat, Lisda Oktaviana, Muhammad Hafiz Albab, and Fitri Kartiasih. “Impact of Coal Export Decline on East Kalimantan’s Mining and Coal Industry”. Journal of Developing Economies 10, no. 1 (June 28, 2025): 151–172. Accessed June 29, 2025. https://e-journal.unair.ac.id/JDE/article/view/61414.