(3GdEYdGe h GdeSJbHd (B:s (3CacGQ h QDi (B/s - (3GdeNGOej, YHO GdbGOQ QRjb s ((3GdLRGFQ (B:s (3OGQ gheg ddWHGYI h GdfTQ ,s, 2001)
Keywords: (3GdOjebQGWjIs; (3GdEYdGes