. (2002). . (e123828). Strategy, 10(3), e123828
. "" .e123828 , Strategy, 10, 3, 2002, e123828.
. (2002). '', Strategy, 10(3), e123828.
, "," Strategy, 10 3 (2002): e123828,
. . Strategy. 2002;10(3):e123828 (In Persian).
