(3GdYQH Gdi Gjf (B/ s - (3GSGeI GdNhdi s; (3SYO ZGdH jGjSfs ((3HjQhJ(B:s (3eQcR OQGSGJ GdhMOI GdYQHjI ,s, 2002)
Keywords: (3GdfRGY GdYQHi GdGSQGFjdis; (3MQH GdNdjLs; (3GdYGde GdYQHi (B- (3GdGMhGd GdSjGSjIs