(3GdGbJUGOjGJ GdYQHjI hJMOjGJ GdKeGfjfGJ (B:s (3GdHJQhd GdYQHi (B: (3fYeg Ge fbeg (B/ s - (3eMeO OhjOGQs ([S.N] : (3ecJHg GdfgVg GdeUQjg , s, 1982)
Keywords: (3GdYGde GdYQHis; (3GdGbJUGOs; (3GdHJQhds