Balthip, Karnsunaphat, Usanee Petchruschatachart, and Siriwan Piriyakoontorn. 2017. “Purpose in Life Among Thai Junior High School Adolescents”. Journal of Research in Nursing-Midwifery and Health Sciences 37 (Supplement):89-97. https://he02.tci-thaijo.org/index.php/nur-psu/article/view/106593.