Wannapapo, Wachchira, and Pongphop Phoojomjit. 2024. “The Guidelines for Development Creative Leadership of School Administrators Under the Roi Et Vocational Education Office: The Guidelines for Development Creative Leadership of School Administrators Under the Roi Et Vocational Education Office”. RATANABUTH JOURNAL 6 (1). Yasothon, Thailand:243-58. https://so07.tci-thaijo.org/index.php/rtnb/article/view/4032.