(3YGde GdeNWhWGJ hGdfhGOQs ((3GdchjJ (B: s (3YGde GdcJH GdMOjK , s, 2002)
Keywords: (3GdeNWhWGJ GdYQHjIs; (3GdcJH GdfGOQIs; (3GdeNWhWGJ (B- (3agQSIs; (3GdeNWhWGJ (B- (3HHdjhLQGajGJs