ดนตรีพงษ์ ท., รักงาม ช., & ชำนาญ ส. (2018). FACTORS AFFECTING THE EFFECTIVENESS OF SCHOOL UNDER THE OFFICE SECONDARY EDUCATIONAL SERVICE AREA 9. Academic Journal Phranakhon Rajabhat University, 9(2), 272–285. Retrieved from https://so01.tci-thaijo.org/index.php/AJPU/article/view/131358