(3GdfSN YfO GdCUhdjjf (B/s - (3Ydi LeYIs; (3OGdjG eMeO EHQGgjes ((3GdLjRI (B:s (3GdEOGQI GdYGeI ddfTQ, s, 2007)
. 165-155 (3HHdjhLQGajG(B: (3UaMGJ(B.s
(3GdfU HGddZI GdYQHjIs
Keywords: (3GdfGSN hGdefShNs; (3GdTQjYI GdESdGejIs