Lalaeng, Timaporn, Banjong Jaroensuk, and Sathaporn Sungkawsuttirak. “The Development of Personnel in the use of Online Student Management Systems in Chian Yai District Non-Formal and Informal Education Center, Nakhon Si Thammarat Province”. Rajapark Journal 16, no. 45 (April 5, 2022): 128–140. accessed October 13, 2026. https://so05.tci-thaijo.org/index.php/RJPJ/article/view/255131.