GRIYANI ELISABETH PURBA; ADELINA SITANGGANG; DEPI YOHANA MANURUNG; TESSA LONIKA SIMANULLANG. Efektifitas Kebijakan Peminjaman Buku di Digital Library Universitas Negeri Medan. JURNAL RISET RUMPUN ILMU PENDIDIKAN, [S. l.], v. 4, n. 1, p. 103–109, 2025. DOI: 10.55606/jurripen.v4i1.4343. Disponível em: https://prin.or.id/index.php/JURRIPEN/article/view/4343. Acesso em: 1 mar. 2026.