. (2005). . (e124081). Strategy, 12(4), e124081
. "" .e124081 , Strategy, 12, 4, 2005, e124081.
. (2005). '', Strategy, 12(4), e124081.
, "," Strategy, 12 4 (2005): e124081,
. . Strategy. 2005;12(4):e124081 (In Persian).
