DIANA MAULIDA ZAKIAH; HAREFA, H. S.; MARIA NIRWANA LOI; SELVI APRIL YANI LAIA. Pelatihan Pemanfaatan Online Public Access Catalogue (OPAC) Oleh Mahasiswa Di Perpustakaan Pascasarjana Universitas Muhammadiyah Sumatera Utara. Jurnal Abdimas Mutiara, [S. l.], v. 3, n. 2, p. 626–630, 2022. Disponível em: https://e-journal.sari-mutiara.ac.id/index.php/JAM/article/view/5420. Acesso em: 30 jan. 2026.