VIWATTANANON, S.; SIRICHOT, P. The Development of Training Program for Improving Efficiency of Quality Management System Utilized by Head of Academic Department in Secondary School. Ph.D. in Social Sciences Journal, [S. l.], v. 10, n. 1, p. 179–196, 2020. Disponível em: https://so05.tci-thaijo.org/index.php/phdssj/article/view/230001. Acesso em: 4 feb. 2023.