DAMPAK PENGGUNAAN GADGET TERHADAP PRESTASI BELAJAR SISWA MAN 3 MEDAN DI MASA PANDEMI COVID-19. JURNAL HANDAYANI PGSD FIP UNIMED, [S. l.], v. 13, n. 1, p. 14–20, 2022. DOI: 10.24114/jh.v13i1.35871. Disponível em: https://jurnal.unimed.ac.id/2012/index.php/handayani/article/view/35871. Acesso em: 24 mar. 2026.