Road deterioration in developing countries : proceedings of Seminar G held at the PTRC Transport and Planning Summer Annual Meeting, University of Bath, England, from 12-16 September 1988.
Planning and Transport Research and Computation (International) Co.Meeting(16th :1988 :University of Bath).Seminar G.
PTRC Seminar on Road Deterioration in Developing Countries(1988 :University of Bath)
London : PTRC Education and Research Services Ltd.,
1988.
Spine title: PTRC seminar on road deterioration in developing countries.
"Volume P309."
Roads
Roads
Roads