ขัตติยาสุวรรณ ศักดิ์สิทธิ์. 2019. “The Third Round External Quality Assessment Results (2011-2015) of Small-Sized Schools in Remote Area under the Jurisdiction of Office of the Basic Education Commission”. Rajapark Journal 11 (23). Bangkok, Thailand:228-43. https://so05.tci-thaijo.org/index.php/RJPJ/article/view/171970.