Jihad, Abdul, et al. “ANALISIS DISIPLIN BELAJAR SISWA KELAS VIII PADA MASA PANDEMI COVID -19 DI SMP NEGERI 2 HULU GURUNG”. BIKONS, vol. 2, no. 2, Aug. 2022, https://jurnal.fipps.upgripnk.ac.id/index.php/BK/article/view/13-15.