Donsomjit , Kanokwan, and U-rasa Promta. 2021. “The development guideline of school administrators characteristic in 4.0 era under the Office of Mahasarakham Primary Education Service Area 3”. Journal for Developing the Social and Community 8 (1). Bangkok, Thailand:491-506. https://so03.tci-thaijo.org/index.php/rdirmu/article/view/245855.