(3GdeYGQVI GdSjGSjI (B/s - (3EHQGgje YHOGddg EHQGgje s ((3GdbGgQI (B:s (3OGQ GdfgVI GdYQHjI (B,s, 2009)
. 246-238 (3HHdjhLQGajG(B: (3UaMGJ(B.s
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Keywords: (3GdbGfhf GdOSJhQj s