Phikulthong C, Julsuwan S. DEVELOPMENT AND REPORT OF IMPROVING SCHOOL ADMINISTRATORS IN THE DIGITAL AGE OF SECONDARY SCHOOLSDEVELOPMENT AND REPORT OF IMPROVING SCHOOL ADMINISTRATORS IN THE DIGITAL AGE OF SECONDARY SCHOOLS. JSBA [internet]. 2022 Feb. 28 [cited 2026 Mar. 7];7(2):359-74. available from: https://so04.tci-thaijo.org/index.php/JSBA/article/view/252530