Roads -- Developing countries -- Cost effectiveness -- Congresses : Highway investment in developing countries : proceedings of the conference 'Criteria for planning highway investment in developing countries', sponsored by the Commission of the European Communities and the Institution of Civil Engineers ; organised by the Institution of Civil Engineers and held at the Café Royal Conference Centre, London, on 17-18 May 1982
Roads -- Developing countries -- Finance -- Congresses : Highway investment in developing countries : proceedings of the conference 'Criteria for planning highway investment in developing countries', sponsored by the Commission of the European Communities and the Institution of Civil Engineers ; organised by the Institution of Civil Engineers and held at the Café Royal Conference Centre, London, on 17-18 May 1982
Roads -- Economic aspects -- Africa : Highways to success or byways to waste : estimating the economic bnefits of roads in Africa / Rubaba Ali, A. Federico Barra, Claudia Berg, Richard Damania, John Nashh, and Jason Russ
Roads -- Economic aspects -- Developing countries -- Congresses : Highway investment in developing countries : proceedings of the conference 'Criteria for planning highway investment in developing countries', sponsored by the Commission of the European Communities and the Institution of Civil Engineers ; organised by the Institution of Civil Engineers and held at the Café Royal Conference Centre, London, on 17-18 May 1982