(3GdGhQGb GdJLGQjI hGdYedjGJ GdeUQajI (B/ s - (3jGedcj,GcQes ((3YeGf(B[(3GdGQOf(B]:s (3OGQ GdKbGaI ddfTQ hGdJhRjY,s, 2009)
Keywords: (3GdbGfhf GdJLGQjs