. (2006). . (e124163). Strategy, 13(4), e124163
. "" .e124163 , Strategy, 13, 4, 2006, e124163.
. (2006). '', Strategy, 13(4), e124163.
, "," Strategy, 13 4 (2006): e124163,
. . Strategy. 2006;13(4):e124163 (In Persian).
