DEVELOPMENT OF INTERACTIVE DIGITAL TEACHING MATERIALS WITH A MULTI-REPRESENTATION APPROACH TO ROUND NUMBER MATERIALS FOR VII CLASS TUNARUNGU SMPLB STUDENTS. Akademika, [S. l.], v. 9, n. 01, p. 69–84, 2020. DOI: 10.34005/akademika.v9i01.731. Disponível em: https://jurnal.uia.ac.id/akademika/article/view/731. Acesso em: 7 mar. 2026.