(3af GdYdGL GdfaSi (B/ s - (3SJhQ, GfWhfis; (3dWai aWje (B((3eJQLe(B)s ([S.N] : (3ecJHI GdfgVI GdeUQjI , s, 1991)
Keywords: (3GdUMI GdfaSjIs; (3Yde GdfaSs; (3GdJMdjd GdfaSis; (3GdYdGL GdfaSis; (3GdWH GdfaSis; (3GdGeQGV GdfaSjIs; (3GdYjGOGJ GdfaSjIs