1. The use of System Dynamics methodology in modelling the transport development of new cities in Egypt;Abbas;Proceedings of the 21st Annual Conference of the Universities Transport Studies Group (UTSG) Edinburgh, U.K.,1989
2. A road provision model using System Dynamics;Abbas,1990
3. A System Dynamics road provision model;Abbas,1990
4. The development of a road management system with particular reference to new cities in Egypt: An application of System Dynamics methodology;Abbas,1991
5. Computer-based support for the management of investments in road infrastructure;Abbas;Proceedings of the 18th Planning and Transport Research and Computation (PTRC) Summer Annual Meeting Sussex, U.K.,1990