(3GdQO Ydi eGdJhS (B: s (3OQGSI fbOjI ddcJGH (B((3UOhQ GdJfejI (B) / s - (3aQjef , cQjSJhaQ s; (3NhQj , GHQGgje s ((3OeTb (B: s (3efThQGJ hRGQI GdKbGaI hGdGQTGO Gdbhej , s, 1978)
Keywords: (3GdJfejI GdGbJUGOjI s