Wongsurit, S., Poonpol, P. and Junprasert, T. (2023) “The Effectiveness of Positive Psychological Capital Development Program Through Action Learning on affect Volunteer Behavior in the Compulsory volunteer Group”, The Periodical of Behavioral Science, 29(2), pp. 76–92. available at: https://so06.tci-thaijo.org/index.php/BSRI/article/view/262751 (accessed: 18 September 2026).