Thungkaew, P. (2021) “The Effects of Positive Psychology Capital Enhancment Program of Students, Faculty of Education, Buriram Rajabhat University”, Dhammathas Academic Journal, 21(4), pp. 1–12. available at: https://so06.tci-thaijo.org/index.php/dhammathas/article/view/250501 (accessed: 1 October 2026).