CHULNOUL, P.; THERAWIWAT, M.; IMAMEE, N.; TANSAKUL, S. An Effect of Problem-Based Learning to Prevent Amphetamine Use Among Grade 8 Student, Nakornprathom Province. วารสารสุขศึกษา, [S. l.], v. 34, n. 1, p. 1–14, 2019. Disponível em: https://he01.tci-thaijo.org/index.php/muhed/article/view/173873. Acesso em: 17 ก.ย. 2026.