PHAM THI HIEN. Factors affecting the quality of middle-level management personnel at Vietnam Coal and Mineral Industry Group. International Journal of Computer Information Systems and Industrial Management Applications, [S. l.], v. 18, n. 20s, p. 829–842, 2026. DOI: 10.70917/ijcisim-2026-5227. Disponível em: https://cspub-ijcisim.org/index.php/ijcisim/article/view/5227. Acesso em: 29 aug. 2026.