. (2005). . (e124145). Strategy, 13(3), e124145
. "" .e124145 , Strategy, 13, 3, 2005, e124145.
. (2005). '', Strategy, 13(3), e124145.
, "," Strategy, 13 3 (2005): e124145,
. . Strategy. 2005;13(3):e124145 (In Persian).
