Liemsuwan, Tienkaew. 2019. “Ageism of Working   –  Age in Chon Buri Province: Results of the Fraboni Scale of Ageism (FSA)©”. Journal of Liberal Arts Prince of Songkla University 11 (2):223-44. https://so03.tci-thaijo.org/index.php/journal-la/article/view/232790.