(3YdGbI GdSHHjI ai bGfhf GdYbhHGJ (B:s (3OQGSI JMdjdjI Ydi VhA GdabI hGdbVGA (B/s - (3EHQGgje eMeO EHQGgje eMeO s ((3GdbGgQI (B:s (3OGQ GdfgVI GdYQHjI ,s, 2007)
. 171- 163 (3HHdjhLQGajG(B: (3UaMGJ(B.s
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Keywords: (3YdGbI GdSHHjIs; (3GdbGfhf GdLfGFjs