Federal ministry of scinece and technology Raw materials reserach and development council Federal ministry of science and technology: techno - expo 2013 (Print Resources) - Nigeria;. Federal Ministry of science and technology c 2013 - 101p.: pics. 32 cm Source: R - 5107 Subjects--Personal Names: Raw materials research LC Class. No.: AG2.R39 / .R39 Dewey Class. No.: AG2.R39 / .R39 2013