Seminar, Conference, Workshop etc. participated:

• Department of Electrical and Electronic Engineering University of Alberta, Canada - 1980.
• Spring College in condensed matter ICTP, Trieste, Italy - 1988.
• Courses on basic telecommunication and theoretical radio propagation physics, Trieste, Italy - 1989.
• Second college on theoretical and experimental radio propagation physics, 1991.
• Internation mathiagale summer college on physics and contemporary needas, Pakistan, 1989.