Dampak Penggunaan Smartphone Terhadap Tingkat Focus Belajar Siswa (Studi Kasus Siswa Kelas Vi Sd Negeri 9 Mataram). JUPE : Jurnal Pendidikan Mandala, [S. l.], v. 8, n. 2, p. 364–368, 2023. DOI: 10.58258/jupe.v8i2.5303. Disponível em: https://ejournal.mandalanursa.org/index.php/JUPE/article/view/5303. Acesso em: 3 jul. 2026.