WANNAH-ARNON, A.; WISUTTIPAT, S.; BOONYASOPON, T.; BOONYASOPON, T. Development of a Competency Model for Railway System Technical Trainers in the Digital Era. Princess of Naradhiwas University Journal of Humanities and Social Sciences, [S. l.], v. 13, n. 2, p. 80–99, 2026. Disponível em: https://so05.tci-thaijo.org/index.php/pnuhuso/article/view/287302. Acesso em: 17 sep. 2026.