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Economic utilization of Ghanaʹs road and rail systems
Adote, William A., (1974)
Measures of the quality of traffic service : a compendium
(1972)
Economic analysis for transport choice : a Charles River Associates (Cambridge Mass.) Research study
Roberts, Jr., Paul Osborne, (1971)
Public transit passenger security and safety
Hoel, Lester A., (1979)
Transportation technology and systems planning
Hoel, Lester A., (1968)
Truck travel in the Los Angeles metropolitan area
Hoel, Lester A., (1964)