International implementation of digital library software/platforms. - Fatih Oguz; Yasar Tonta; EunKyung Chung; Ezra Gbaje; Krystyna K. Matusiak (ASIST, 2009)

Digital preservation policy in National Information Centres in Nigeria. - Ezra Shiloba Gbaje; Zakari Mohammed (Electron. Libr., 2013)