PENGARUH PENGGUNAAN SMARTPHONE TERHADAP MOTIVASI DAN HASIL BELAJAR MATA PELAJARAN EKONOMI KELAS XI IPS SMA NEGERI 10 MEDAN. JOURNAL OF SCIENCE AND SOCIAL RESEARCH, [S. l.], v. 9, n. 3, p. 3027–3032, 2026. DOI: 10.54314/jssr.v9i2.6341. Disponível em: https://jurnal.goretanpena.com/index.php/JSSR/article/view/6341.. Acesso em: 17 jul. 2026.