Sungkanon, K. . ., W. . . Joungrattanakamjorn, and C. . Srisakun. “Retirement Saving Behavior: The Case of Bank Officers in Bangkok Metropolitan Area”. Dusit Thani College Journal, vol. 14, no. 3, Dec. 2020, pp. 479-90, https://so01.tci-thaijo.org/index.php/journaldtc/article/view/245534.