รัตนโอฬาร ธ. THE DEVELOPMENT OF A MULTI-LEVEL STRUCTURAL EQUATION MODEL OF TRANSFORMATIONAL LEADERSHIP OF UNDERGRADUATE STUDENTS IN BUSINESS ADMINISTRATION. Journal of the Association of Researchers, [S. l.], v. 18, n. 2, p. 141–154, 2020. Disponível em: https://so04.tci-thaijo.org/index.php/jar/article/view/241017. Acesso em: 17 sep. 2026.