TANAPRON, T.; CHIWAKUMNUAN, P. . Development of Communication Skills for Students in Early Childhood Education by Using Problems - Based Learning. Journal of Faculty of Humanities and Social Sciences Thepsatri Rajabhat University , [S. l.], v. 14, n. 2, p. 1–12, 2023. Disponível em: https://so01.tci-thaijo.org/index.php/truhusocjo/article/view/260193. Acesso em: 7 dec. 2025.