YUNIARTI, D. A.; INTYANTO, G. W.; PAWENING, A. S. DGMATH: Android-Based Mathematics Digital Media for Elementary School Students Materials on Numbers Operations Using the RnD Method. Edumatica : Jurnal Pendidikan Matematika, [S. l.], v. 12, n. 1, p. 41-51, 2022. DOI: 10.22437/edumatica.v12i01.17241. Disponível em: https://mail.online-journal.unja.ac.id/edumatica/article/view/17241. Acesso em: 6 oct. 2024.