(3GdJQHjI hGdSjGSI (B/ s - (3YHOGdefYe GdeTGWs ([S.N] : (3OGQ SYGO GdUHGM , s, 1992)
Keywords: (3GdSjGSIs; (3GdJQHjI GdhWfjIs; (3GdJQHjI ai GdGeGQGJs