YODTHONG, T. The Leadership of School Administrators Affecting Competitiveness: A Case Study of Secondary Schools in Nonthaburi. The International Journal of Humanities & Social Studies, [S. l.], v. 4, n. 2, 2016. Disponível em: https://internationaljournalcorner.com/index.php/theijhss/article/view/125904. Acesso em: 22 jul. 2024.