Udanont, J., and S. Aimimtham. “Quality Evaluation of Performance Indicators of the Elderly School Prototype in Thailand: Quality Evaluation of Performance Indicators of the Elderly School Prototype in Thailand”. Governance Journal, vol. 8, no. 2, Dec. 2019, pp. 106-3, https://so01.tci-thaijo.org/index.php/gjournal-ksu/article/view/233604.