(3GdeOQH hGdJOQjH GdQjGVi (B/ s - (3eUWai eMeO RjOGfs ((3GdQjGV (B: s (3fGOi ecI GdKbGai , s, 1989)
Keywords: (3GdQjGVI GdHOfjIs; (3GdGdYGH GdQjGVjIs; (3GdJOQjH GdQjGVis