Lalaeng T, Jaroensuk B, Sungkawsuttirak S. 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. RJPJ [Internet]. 2022 Apr. 5 [cited 2024 Apr. 20];16(45):128-40. Available from: https://so05.tci-thaijo.org/index.php/RJPJ/article/view/255131