ผิวทน ว, รุญเจริญ ธ, วงษ์ชวลิตกุล ก. A STUDY OF PROFESSIONALSHIP OF THE SCHOOL ADMINISTRATORS UNDER NAKHONRATCHASIMA PROVINCIAL LOCAL ADMINISTRATION. Res Comm Soc Dev J [internet]. 2018 Jan. 10 [cited 2026 Sep. 17];12(1):214-27. available from: https://so04.tci-thaijo.org/index.php/NRRU/article/view/161765