. (2005). . (e124065). Strategy, 12(4), e124065
. "" .e124065 , Strategy, 12, 4, 2005, e124065.
. (2005). '', Strategy, 12(4), e124065.
, "," Strategy, 12 4 (2005): e124065,
. . Strategy. 2005;12(4):e124065 (In Persian).
