(3TQM JYOjdGJ bGfhf GdELQGAGJ GdLfGFjI (B((3GdbGfhf Qbe (B74 (3dSfI (B2007) ((3GdbGfhf Qbe (B153 (3dSfI (B2007) :s (3OQGSI ebGQfI (B/s - (3YGOd GdThQHLjs; (3eMeO GdTgGhjs ((3GdbGgQI (B:s (3OGQ GdfgVI GdYQHjI ,s, 2008)
(3GdfUhU GdbGfhfjI (B- (3GdCYeGd GdJMVjQjI (B((3GdefGbTGJ GdHQdeGfjI(B) - (3CMcGe eMceI GdfbV (B- (3CMcGe GdeMceI GdOSJhQjI GdYdjG (B- (3GdcJH GdOhQjI GdUGOQI ef GdeSJTGQ GdfGFH GdYGe (B- (3GdJYdjeGJ GdbVGFjI dCYVGA GdfjGHI GdYGeIs
. 219-210 (3HHdjhLQGajG(B: (3UaMGJ(B.s
(3jTJed Ydi EQLGYGJ HHdjhLQGajIs
Keywords: (3bGfhf GdELQGAGJ GdLfGFjIs