Phuong Huu Tung. “Factors Affecting Managerial Competence in Coal Mining Enterprises under the Vietnam Coal and Mineral Industry Group”. International Journal of Computer Information Systems and Industrial Management Applications 18, no. 20s (August 26, 2026): 665–675. Accessed August 29, 2026. https://cspub-ijcisim.org/index.php/ijcisim/article/view/5207.