Waengsothorn, Tawan. “The Effects of Using an Integrated Guidance Activity Package to Develop Forgiveness of Early Adolescent Students”. STOU Education Journal 12, no. 1 (July 2, 2019): 55–70. accessed April 14, 2025. https://so05.tci-thaijo.org/index.php/edjour_stou/article/view/139057.