Bunma, Pracha, and Vichit U-on. “Causal Factors That Influences Personal Retirement Planning of Private Company Employee in Thailand”. Rajapark Journal 17, no. 52 (June 30, 2023): 253–267. Accessed May 20, 2024. https://so05.tci-thaijo.org/index.php/RJPJ/article/view/261310.