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. 2, p. 2916–2921, 2026. DOI: 10.54314/jssr.v9i2.6341. Disponível em: https://jurnal.goretanpena.com/index.php/JSSR/article/view/6341.. Acesso em: 3 jun. 2026.