HONGKONG, N. .; BAILEE, C. . The Relationship Between Ethical Leadership of the Principals with Happiness for Teacher in School Under the Office of Udonthani Primary Education Service Area. Journal of Graduate Research, [S. l.], v. 11, n. 1, p. 135–148, 2020. Disponível em: https://so02.tci-thaijo.org/index.php/banditvijai/article/view/223691. Acesso em: 27 apr. 2024.