Phoglad, S., Kwanyou, A., & Chardchawarn, S. (2022). Assessing the Effectiveness of Social Security Old Age Benefits. Journal of Multidisciplinary Academic Research and Development (JMARD), 4(3), 36–71. retrieved from https://he02.tci-thaijo.org/index.php/JMARD/article/view/258323