Teerakittikon, Thanawut, and Somsri Woenthong. “Money saving guideline for preparations to retirement of the population in The Central Regional”. Journal of Industrial Business Administration 2, no. 2 (December 29, 2020): 40–58. accessed September 12, 2026. https://so03.tci-thaijo.org/index.php/iba/article/view/249085.