(3YdGbGJ UdGM GdOjf HGeGQGJi GdehUd hGQHd (B/ s - (3eMeO aJMi GdTGYQs ([S.N] : (3OGQ GdeYGQa , s, 1991)
Keywords: (3GdYGde GdYQHis; (3JGQjNs; (3GdYQGbs; (3GdOhdI GdGjhHjIs