Wonglim, P. and Noppanatwongsakorn, R. (2022) “The Behaviors of the Preparation Before Retirement Preparation Office of the Bangkok Metropolitan Administration Civil Service Commission Preparation”, Journal of Graduate MCU KhonKaen Campus, 9(1), pp. 153–166. available at: https://so02.tci-thaijo.org/index.php/jg-mcukk/article/view/254457 (accessed: 29 September 2026).