ANDRIAH, A.; AMIR, M. F. Mobile Learning Based on Procedural and Conceptual Knowledge on Fractional for Elementary School. Jurnal Ilmiah Sekolah Dasar, [S. l.], v. 5, n. 4, p. 567–578, 2021. DOI: 10.23887/jisd.v5i4.40819. Disponível em: https://ejournal.undiksha.ac.id/index.php/JISD/article/view/40819. Acesso em: 4 may. 2024.