Ueaichimplee, Arnuphab, and Nataya Pilanthananond. “Development of International Program Management for Schools in Thailand”. Rajapark Journal 15, no. 38 (February 20, 2021): 1–16. Accessed May 6, 2024. https://so05.tci-thaijo.org/index.php/RJPJ/article/view/245200.