//-->
Over het meten van een constante verkeersstroom
Dubbeldam, C., (1980)
Etude sur les transports routiers et ferroviaires dans les pays de l'O.C.A.M.
(1971)
Aspects of road transport organisation in Botswana
Jennings, A., (1972)
Manpower requirements in Kuwait
Al-Ali, Ali Sultan, (1969)
Oil revenues in Iraq for financing economic and social development
Al-Ali, Tariq Ahmed, (1970)
The development of telecommunication facilities in Kuwait
Al Asfour, Mariam M., (1972)