KONRAD, A. Essential Competencies for Supervisors of Food and Beverage Services in Hotels in the Province of Chiang Mai. Journal of Technical and Engineering Education, [S. l.], v. 15, n. 1, 2024. Disponível em: https://so10.tci-thaijo.org/index.php/FTEJournal/article/view/922. Acesso em: 1 oct. 2026.