Planning and management of roads in developing countries : proceedings of Seminar L held at the PTRC Transport and Planning Summer Annual Meeting, University of Sussex, England, from 11-15 September 1989.
Planning and Transport Research and Computation (International) Co.Meeting(17th :1989 :University of Sussex).Seminar L.
World Bank.
United Nations.Economic Commission for Africa.
London : Published by PTRC Education and Research Services Ltd. on behalf of Planning and Transport Research and Computation International Association,
1989.
Cover title: Transport & planning : Summer Annual Meeting.
Includes bibliographical references.
Transportation
Transportation