“PENGARUH PENGGUNAAN SMARTPHONE TERHADAP MINAT BELAJAR MAHASISWA MELALUI MEDIA ONLINE DI MASA PANDEMI COVID-19”, jopt, vol. 18, no. 1, pp. 12–26, Feb. 2021, Accessed: Oct. 04, 2026. Available: https://jurnal.stieieu.ac.id/index.php/opt/article/view/120