JIADSRI, S.; PROMTOW, A. The Developing of Problem-Based Learning Activities in the Economic Course for Matthayom Sueksa 3. Journal of Education Rajabhat Maha Sarakham University, Maha Sarakham, Thailand, v. 18, n. 3, p. 93–103, 2022. Disponível em: https://so06.tci-thaijo.org/index.php/edu-rmu/article/view/253980. Acesso em: 1 oct. 2026.