Mukkhuntod, Wiphaphan, Wichai Sawekgam, and Aumporn Makanong. “THE DEVELOPMENT OF AN EMPATHY THEORY-BASED PROGRAM FOR ENHANCING VOLUNTEER BEHAVIOR AMONG UPPER SECONDARY STUDENTS”. Journal of Education and Innovation 28, no. 2 (June 29, 2026): 293491 . accessed September 11, 2026. https://so06.tci-thaijo.org/index.php/edujournal_nu/article/view/293491.