KARAWA, S.; THINWIANGTHONG, S. The Students’ Problem Posing Process in classroom by Using Lesson Study and Open Approach. Dhammathas Academic Journal, [S. l.], v. 21, n. 4, p. 81–92, 2021. Disponível em: https://so06.tci-thaijo.org/index.php/dhammathas/article/view/250825. Acesso em: 1 oct. 2026.