PORNCHAROONG , R.; SANGMOOKDA , S. The Characteristics of Professional Administrator Affecting the Efficiency Teacher’s Performance in the School Under the Secondary Education Service Area Office Nonthabury. Journal of Dhamma for Life , [S. l.], v. 31, n. 3, p. 195–218, 2025. Disponível em: https://so08.tci-thaijo.org/index.php/dhammalife/article/view/4617. Acesso em: 2 sep. 2026.