HIA, Ahmad Kultur et al. Managing Coal Enterprise Competitiveness in the Context of Global Challenges. Emerging Science Journal, [S. l.], v. 7, n. 2, p. 589–608, 2023. DOI: 10.28991/ESJ-2023-07-02-021. Disponível em: https://www.ijournalse.org/index.php/ESJ/article/view/1413. Acesso em: 7 jun. 2025.