AHMAD, S.; SILLER, H.-S. Investigating the effect of manipulatives on mathematics achievement: The role of concrete and virtual manipulatives for diverse achievement level groups. Journal on Mathematics Education, [S. l.], v. 15, n. 3, p. 979–1002, 2024. DOI: 10.22342/jme.v15i3.pp979-1002. Disponível em: http://jme.ejournal.unsri.ac.id/index.php/jme/article/view/665. Acesso em: 19 sep. 2024.