(3GdhLjR aj bGfhf GdJfXje GdOhdj (B/s - (3CTQa YQaGJ CHh MLGQIs ([(3ecGf GdfTQ ZjQ eMOO(B] :s [(3GdfGTQ ZjQ eMOO(B],s, 2008)
. 240-220 (3HHdjhLQGajG(B: (3UaMGJ(B.s
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Keywords: (3GdbGfhf GdOhdj GdYGes