01172nam 2200397 450 991013623930332120200520144314.03-0357-3131-4(CKB)3710000000915725(MiAaPQ)EBC4761147(Au-PeEL)EBL4761147(CaPaEBR)ebr11449726(OCoLC)1006411626(EXLCZ)99371000000091572520171009h20162016 uy| 0engurcnu||||||||rdacontentrdamediardacarrierInternational journal of engineering research in AfricaVol. 26Switzerland :TTP,[2016]20161 online resource (214 pages) illustrations (some color), map3-0357-1131-3 Includes bibliographical references and index.EngineeringResearchAfricaEngineeringResearch620.0072MiAaPQMiAaPQMiAaPQBOOK9910136239303321International journal of engineering research in Africa2140121UNINA