HONGTHONG, N.; SANGSRIKAEW, P.; PIMPASALEE, W. DEVELOPMENT OF CRITICAL THINKING SKILL AND MATHEMATICAL ACHIEVEMENT ON QUADRATIC FUNCTION OF GRADE 9 STUDENTS USING OPEN APPROACH AND GEOGEBRA. Journal of Education and Innovation, [S. l.], v. 26, n. 2, p. 106–117, 2024. Disponível em: https://so06.tci-thaijo.org/index.php/edujournal_nu/article/view/262866. Acesso em: 17 sep. 2026.