อินทาปัจ พ. “THE CREATIVE LEADSHIP OF SCHOOL ADMINISTRATIOORS UNDER THE SECONDARY EDUCATIONAL SERVICE AREA OFFICE 3”. Pathumthani University Academic Journal, vol. 12, no. 2, Dec. 2020, pp. 434-49, https://so05.tci-thaijo.org/index.php/ptujournal/article/view/248227.