SOPARAT, sasithorn. Development of the Problem-Based Learning Activities Model for Enhancing Social Skills of Preservice Teachers. Journal of Graduate Research, [S. l.], v. 17, n. 1, p. JGR–17, 2026. Disponível em: https://so02.tci-thaijo.org/index.php/banditvijai/article/view/280689. Acesso em: 29 aug. 2026.