Pratumsuwan, T. and Sawangsopakul, B. (2021) “Self Esteem, Hardiness and Self Care of High School Students at Bodindecha (Sing Singhaseni) 2 School, Bangkok”, Journal of the Association of Researchers, 26(1), pp. 374–392. available at: https://so04.tci-thaijo.org/index.php/jar/article/view/249613 (accessed: 10 October 2026).