(3ebGdI GdJYWjd hGdLYO Hf OQge (B/s - (3GdJejej, eMeO Hf NdjaI s 1379 (3gLQj(B-.s ((3GdQjGV (B:s (3ecJHI CVhGA GdSda,s, 1997)
Keywords: (3GdEdgjGJ s; (3GdJYWjds; (3GdCSeGA hGdUaGJ s