ONWUALU,A.P, ABDULLAHI,A.K Et BUGA,M.L Investments opportunities in industrial raw materials in Nigeria:Value addition to selected commodities (volume 1) - Abuja Raw Materials Research And Development Council 2012 - xiv,201p.,illus. ISBN: 978-8070-17-5 Subjects--Topical Terms: Commodities and commercial products LC Class. No.: HF1054.N6.O59