(3GdbdH (B/ s - (3hGcQ, QjJTGQOs ((3GdbGgQg (B:s (3OGQ GdaGQhb ddESJKeGQGJ GdKbGajI,s, 2007)
Keywords: (3GdbdHs; (3GdLgGR GdbdHj GdhYGFjs; (3fGTFhf cHGQ (B(15-18) (3SfIs