NOVI TARI SIMBOLON. Development of Karo Culture-Based Problem-Based Learning Model Assisted by Information Technology to Improve Students’ Collaborative Skills and Mathematical Problem-Solving. International Journal of Special Education, [S. l.], v. 41, n. 24s, p. 599–616, 2026. Disponível em: https://mail.internationalsped.com/index.php/ijse/article/view/6990. Acesso em: 20 oct. 2026.