NASRULLAH, Anton. EFEKTIVITAS PENGGUNAAN MEDIA EDMODO PADA PEMBELAJARAN MATEMATIKA EKONOMI TERHADAP KOMUNIKASI MATEMATIKA. Symmetry: Pasundan Journal of Research in Mathematics Learning and Education, [S.l.], v. 2, n. 1, p. 1-10, may 2017. ISSN 2548-2297. Available at: <https://journal.unpas.ac.id/index.php/symmetry/article/view/346>. Date accessed: 30 nov. 2020. doi: http://dx.doi.org/10.23969/symmetry.v2i1.346.