(3GdWYhf GdCfJMGHjI hGdaUd ai UMI GdYVhjI Hjf GdSdWJjf GdJTQjYjI hGdbVGFjI (B/s - (3CMeO GdehGais ((3GdbGgQI (B:s (3OGQ GdcJH,s, 2004)
. 149- 151 (3HHdjhLQGajG(B: (3UaMGJ(B.s
(3GdfU HGddZI GdYQHjIs
Keywords: (3GdWehf GdCfJNGHjIs; (3GdbGfhf GdOSJhQis