putsiri, thidarat, and Atsavin Seneechai. “Principals’ Digital Technology Leadership for Secondary Schools in Bangphli District Under the Samutprakan Secondary Educational Service Office”. Rattanakosin Journal of Social Sciences and Humanities 6, no. 2 (August 31, 2024): 81–96. accessed September 28, 2026. https://so05.tci-thaijo.org/index.php/RJSH/article/view/273230.