(3GdYdGbGJ GdGeQjcjI GdSYhOjI (B/ s - (3eMeO GdfjQHs ([S.N] : (3ecJHI eOHhdi , s, 1994)
Keywords: (3GdhdGjGJ GdeJMOI GdGeQjcjIs; (3GdYdGbGJ GdNGQLjIs; (3GdeedcI GdYQHjI GdSYhOjIs