Effects of Animation-Supported Jigsaw Cooperative Learning on Students’ Achievement in Geometry: Evidence from a Linear Mixed-Effects Model. International Journal of Research in Education and Science, [S. l.], v. 12, n. 3, p. 639–655, 2026. DOI: 10.46328/ijres.6015. Disponível em: https://ijres.net/index.php/ijres/article/view/6015. Acesso em: 11 jul. 2026.