. (2005). . (e124078). Strategy, 12(4), e124078
. "" .e124078 , Strategy, 12, 4, 2005, e124078.
. (2005). '', Strategy, 12(4), e124078.
, "," Strategy, 12 4 (2005): e124078,
. . Strategy. 2005;12(4):e124078 (In Persian).
