. (2002). . (e123870). Strategy, 10(1), e123870
. "" .e123870 , Strategy, 10, 1, 2002, e123870.
. (2002). '', Strategy, 10(1), e123870.
, "," Strategy, 10 1 (2002): e123870,
. . Strategy. 2002;10(1):e123870 (In Persian).
