(3GdeJfHi hGHh GdYdGA GdeYQi QDjI ai GdGHOGY GdGOHi (B/ s - (3UGdM MSf GdHjWis ([S.N] : (3OGQ GdeYQaI GdLGeYjI , s, 1990)
Keywords: (3GdTYQ GdYQHis; (3GdGOH GdYQHis; (3GdOhdI GdYHGSjI GdKGfjIs; (3JGQjN hfbOs