1. Al-Mashakbeh, A.A., 1997. Traffic accidents costs in Jordan, MS Thesis, Civil Engineering Department, Jordan University of Science and Technology, Irbid, Jordan.
2. Al-Omari, N., 1992. A Study of road accidents costs in Jordan, MS Thesis, Department of Civil Engineering, Jordan University, Amman, Jordan.
3. A framework for costing accidents and accident types;Andreassen;Accident Analysis and Prevention,1985
4. Some aspects of accident costing and costs in Australia;Andreassen;Australian Road Research,1989
5. The external costs of traffic injury: definition, estimation, and possibilities for internalization;Elvik;Accident Analysis and Prevention,1994