MUHAMMAD, U.N. PRESERVATION AND CONSERVATION OF LIBRARY MATERIALS:THE SITUATION IN THE NATIONAL LIBRARY OF NIGERIA. NigerBiblios: Journal of National Library of Nigeria, [S. l.], v. 17, n. Nos 1&2, p. 116–139, 2025. Disponível em: https://nigerbiblios.nln.gov.ng/index.php/nigerbiblios/article/view/205. Acesso em: 4 apr. 2025.