RAHAYU, S.; FAUZAN, A.; YERIZON, Y.; ARNAWA, I. M. The Development of Learning Device Based on Cognitive Conflict to Improve Mathematics Problem Solving Skills for Students in Madrasah Tsanawiyah. Jurnal Gantang, [S. l.], v. 7, n. 1, p. 91–98, 2022. DOI: 10.31629/jg.v7i1.4416. Disponível em: https://ojs.umrah.ac.id/index.php/gantang/article/view/4416. Acesso em: 22 dec. 2024.