(3GdJfajP GdLHQj (B: (3habkG dbhGfjf GdELQGAGJ GdeOfjI hGdJLGQjI aj OhdI GdEeGQGJ GdYQHjI GdeJMOI ,s - (3eMeO fhQ YHOGdgGOj TMGJg (B.s ((3OHj (B- (3GdEeGQGJ (B:s (3eWGHY GdHjGf GdJLGQjI ,s, 1991)
Keywords: (3GdbGfhf GdeOfjs