The 4th, conference of Egyptian Society of Tribology (EGTIB 95), Cairo, Egypt, Jan. 1995.

The 4th, joint international conference between Shoubra faculty of engineering and Leicester polytechnic - School of mechanical and production engineering, Cairo, Egypt, March, 1989

Proceeding of the 3rd, Joint international conference between Shoubra faculty of engineering and Leicester polytechnic - School of mechanical and production engineering, Cairo, Egypt.

Proceeding of the 2nd, international conference of Mechanical Design and Production.