(3ESQGFjd aj MQH GdNdjL (B: s (3hLgI fXQ ESQGFjdjI (B/ s - (3GdSYOj, ZGRjs ((3YeGf (B:s (3OGQ GdLdjd,s, 1991)
Keywords: (3ESQGFjds; (3GdCMhGd GdSjGSjIs; (3MQH GdNdjL (B1991s