Trilerklith, Saenkhamnueng, Shiepsumon Rungsayatorn, and Apinya Hirunwong. “Quality of Life and Retirement Preparation of School Teachers in Chon Buri Province”. Kasetsart Journal of Social Sciences 35, no. 3 (December 31, 2014): 460–471. accessed April 25, 2025. https://so04.tci-thaijo.org/index.php/kjss/article/view/247293.