Muenthaisong , C. and Saraphon, T. (2024) “Employment Models for Elderly Workers in the Private Sector to Support Smart City Development in Roi Et Province, Thailand”, Journal of Roi Et Rajabhat University, 18(3), pp. 166–181. available at: https://so03.tci-thaijo.org/index.php/reru/article/view/281726 (accessed: 14 September 2026).