Banchongvanit, S., P. Amornkitpinyo, and T. Amornkitpinyo. “The performance motivation of teachers in Central Special Education Center”. Journal of Modern Learning Development, vol. 8, no. 8, Aug. 2023, pp. 207-21, https://so06.tci-thaijo.org/index.php/jomld/article/view/261804.