(3GdYdGbGJ GdOHdheGSjI (B/s - (3GSeGYjd, GdYQHjs ((3GdLRGFQ (B:s (3GdeDSSI GdhWfjI ddcJGH ,s, 1984)
Keywords: (3GdhdGjGJ GdeJMOIs; (3Ohd GdeZQH GdYQHj s; (3GdYdGbGJ GdOjHdheGSjI s