JUANTA, Palma; NATASHIA SIREGAR, Karyn; RAMADHAN, M. Aldafa Saf; GEGANA, Den. Dampak Pola Tidur terhadap Konsentrasi Belajar Siswa Kelas XI SMAS Katolik Tri Sakti Medan. Educational Journal, [S. l.], v. 1, n. 4, p. 2258–2265, 2026. DOI: 10.63822/dmrwfy90. Disponível em: https://indojurnal.com/index.php/edu/article/view/3827. Acesso em: 22 jul. 2026.