. (2006). . (e124173). Strategy, 13(4), e124173
. "" .e124173 , Strategy, 13, 4, 2006, e124173.
. (2006). '', Strategy, 13(4), e124173.
, "," Strategy, 13 4 (2006): e124173,
. . Strategy. 2006;13(4):e124173 (In Persian).
