(3GNJUGU GdbGVj GdEOGQj HJaSjQ GdeYGgOGJ GdOhdjI (B/s - (3eMeO aDGO YHO GdHGSWs ((3GdGScfOQjI (B:s (3OGQ GdLGeYI GdLOjOI ,s, 2007)
. 421-419 (3HHdjhLQGajG(B: (3UaMGJ(B.s
(3jTJed Ydi EQLGYGJ HHdjhLQGajIs
Keywords: (3GdbVGA GdEOGQj hhXGFags; (3GdbGfhf GdEOGQjs