Sudchu , S., T. Somkhaoyai, and S. Klubsri. “GUIDELINES FOR THE DEVELOPMENT OF INTERNAL QUALITY ASSURANCE SYSTEM ACCORDING TO ARIYASACCA IV OF SANGWANWIT 7 SCHOOL UNDER NAKHON SI THAMMARAT PRIMARY EDUCATIONAL SERVICE AREA OFFICE 2”. Journal of Educational Review Faculty of Education in MCU, vol. 13, no. 2, Sept. 2026, pp. 539-47, https://so02.tci-thaijo.org/index.php/EDMCU/article/view/285907.