(3eHGOF GdGbJUGO GdQjGVj (B/s - (3UNQj, YeQs ((3GdLRGFQ (B:s (3OjhGf GdeWHhYGJ GdLGeYjI ,s, 1984)
Keywords: (3GdLHQ s; (3GdcShQ s; (3GdeYGOdGJ s; (3GdGbJUGO GdQjGVj s