(3GdgdGd GZSWS (B1998 : (3GdGHOGY hGdceHjhJQs ((3GdbGgQI (B: s (3OGQ GdgdGd ddWHGYI hGdfTQ , s, 1998)
Keywords: (3GdHQHQs; (3eUQ (B- (3JGQjN (B- (3YUQ GdeeGdjc (B( 1250-1517 (3e (B)s; (3GdebGdGJ GdYQHjI (B- (3eUQs; (3ZjJS, Hjds