(3GdEjeGf HGdQSd hOhQg aj HfGA TNUjI GdeSde (B/s - (3CMeO, UdGM GdOjf ebHhds 1375 (3gLQj(B-s ((3GdchjJ (B:s (3OGQ EjdGa GdOhdjI ddfTQ hGdJhRjY ,s, 1998)
Keywords: (3GdEjeGfs; (3GdCfHjGAs; (3GdfHhGJs