SURYANINGSIH, I.; KHAMDUN, K.; RISWARI, L. A. Analysis of the Impact of Smartphone on Cognitive-Domain Mathematics Learning Outcomes in Grade VI Elementary School. Jurnal Pendidikan Matematika Universitas Lampung, [S. l.], v. 14, n. 1, p. 20–35, 2026. DOI: 10.23960/mtk/v14i1.pp20-35. Disponível em: https://jurnal.pbs.fkip.unila.ac.id/index.php/jpm/article/view/1663. Acesso em: 26 apr. 2026.