TIEMPHIJARN, EKKAWAN, and SAOWAPHARK LAMPETCH. 2026. “Professional Administrator Characteristics in the Digital Era: A Case Study of the Kaewkowit Inter-School Campus under the Chachoengsao Secondary Educational Service Area Office”. Journal of Liberal Arts and Education (Online) 2 (2). Lampang, Thailand:225-40. https://so11.tci-thaijo.org/index.php/LAE/article/view/4220.