Kumsoontorn P, Wangthanomsak M. Administrator’s Leadership traits and Child Development Center Administration under the Municipality in Ratchaburi Province. J.Humanities Social Sciences [internet]. 2022 Nov. 22 [cited 2026 Sep. 29];5(4):1348-65. available from: https://so04.tci-thaijo.org/index.php/jmhs1_s/article/view/259234