(3GdGH heS LhdjG (B/ s - (3SJQfOHQL, GhLSJs; (3YHOGdMdje GdHTdGhis ([S.N] : (3ecJHI eUQ , s, 1980)
Keywords: (3GdGOH GdShjOis; (3GdeSQMjGJ GdShjOjIs