1. Jordan University of Science and Technology,Department of Aeronautical Engineering,Irbid,Jordan
2. Université de Moncton,Faculté d’administration,Moncton,NB,Canada,E1A 3E9
3. Bowling Green State University,College of Technology, Architecture & Applied Engineering,Bowling Green,OH,USA
4. Alexandria University,Department of Mechanical Engineering,Alexandria,Egypt
5. Alexandria University,Textile Engineering Department,Alexandria,Egypt