Africa development indicators 2007 [electronic resource]. - [Washington] : World Bank, [2008]. - 1 compact-disc (CD-ROM) ; 12 cm.. - In the b.: Africa development indicators 2007. - PC. - Windows 98 or NT 4.0 or higher. - CD-ROM reader (ISO 9660). - 20MB of available hard disk space. - 32MB of video memory. - 64K color video display recommended. - Sound card optional[MFN: 2543]