(3eHOCGdSjGOI Ydi GdehGQO h GdKQhGJ GdWHjYjI aj EWGQ GdCee GdeJMOI (B/s - (3efhQ , GdYQHj s ((3GdLRGFQ (B:s (3OjhGf GdeWHhYGJ GdLGeYjI ,s, 1988)
Keywords: (3GdKQhGJ s; (3GdehGQO s; (3GdSjGOI s; (3GdWHjYjIs