. (2005). . (e124077). Strategy, 12(4), e124077
. "" .e124077 , Strategy, 12, 4, 2005, e124077.
. (2005). '', Strategy, 12(4), e124077.
, "," Strategy, 12 4 (2005): e124077,
. . Strategy. 2005;12(4):e124077 (In Persian).
