(3GHf QTO hadSaJg (B/s - (3aQM CfWhf s; (3eQGO hgHgs ((3GdbGgQI (B:s (3GdgjFI GdeUQjI GdYGeI ddcJGH ,s, 2012)
. 240-220 (3HHdjhLQGajG(B: (3UaMGJ(B.s
(3GdfU HGddZI GdYQHjIs
Keywords: (3GdTQjYI GdGSdGejIs; (3GdadGSaI GdYQHs