SOMBOOL, P.; BHOOMKHOKRAK, P. A Head of Early Childhood Development Center Leadership Development Model Effecting the Effectiveness of Early Childhood Development Center under Local Government Organizations in Nakhon Ratchasima Province. Ratchaphruek Journal, [S. l.], v. 12, n. 3, p. 64–71, 2014. Disponível em: https://so05.tci-thaijo.org/index.php/Ratchaphruekjournal/article/view/240920. Acesso em: 26 aug. 2026.