(3UfGYI GdeYdheGJaj GdeedcI GdYQHjI GdSYhOjI (B:s (3OQGSI JMdjdjI dbVGjG hNjGQGJ GdSjGSI GdhWfjI ddeYdheGJ (B/s - (3GdYQaL,NGdO YHO GddWja s ((3GdQjGV (B:s (3ecJHI Gdedc agO GdhWfjI ,s, 1998)
Keywords: (3GdeYdheGJs; (3GdeedcI GdYQHjI GdSYhOjI s