(3GdGThQjhf hGdeSGdI GdGThQjI aj GdYUQ GdMOjK (B/s - (3HGQeJj,bSWfWjf ejJQhajL eGJajas; (3G(B.(3,L(B.(3Os ((3OeTb (B:s (3GdGgdj ddfTQ ,s, 1989)
Keywords: (3GdGThQjhfs