(3GOH GdQMdGJ(B:s (3OQGSI JMdjdjI ef efXhQ GfKhLQGaj (B/s - (3agje ,MSjf eMeOs ((3GdchjJ(B:s (3eWGHY GdQSGdI ,s, 1989)
Keywords: (3GOH GdSaQs