SONAH, S.; NURDYANSYAH, N.; RUCHANA, S. . Improvement of Library Services through Friends of the Ambassador Mier: Peningkatan Layanan Perpustakaan Melalui Sahabat Duta Mier. Proceedings of The ICECRS, [S. l.], v. 6, 2020. DOI: 10.21070/icecrs2020427. Disponível em: https://icecrs.umsida.ac.id/index.php/icecrs/article/view/427. Acesso em: 7 oct. 2025.