. (2006). . (e124175). Strategy, 13(4), e124175
. "" .e124175 , Strategy, 13, 4, 2006, e124175.
. (2006). '', Strategy, 13(4), e124175.
, "," Strategy, 13 4 (2006): e124175,
. . Strategy. 2006;13(4):e124175 (In Persian).
