SILITONGA, I. D.; PURBA, D. O. PENGEMBANGAN BAHAN AJAR DIMASA PENDEMI COVID 19. Pendidikan Bahasa Indonesia dan Sastra (Pendistra), [S. l.], v. 3, n. 1, p. 16–20, 2020. Disponível em: https://ejournal.ust.ac.id/index.php/PENDISTRA/article/view/772. Acesso em: 5 may. 2024.