Phurapatkiattikul, Yapattra, and Teeradej Snongtaweeporn. 2020. “People Saving Status for Pre-Aging Readiness”. RMUTP Research Journal Humanities and Social Sciences 4 (2). Bangkok, Thailand:1-14. https://so05.tci-thaijo.org/index.php/rmutphuso/article/view/179591.