Thirasarichote , A. ., & Soopunyo , W. . (2020). The Participatory Development Process of a Problem-based Non-formal Learning to Enhance Restorative Conflict Resolution Skills for Juvenile in Slums. Journal of Education Studies, 48(3), 407–427. Retrieved from https://so02.tci-thaijo.org/index.php/EDUCU/article/view/245017