. (2005). . (e124074). Strategy, 12(4), e124074
. "" .e124074 , Strategy, 12, 4, 2005, e124074.
. (2005). '', Strategy, 12(4), e124074.
, "," Strategy, 12 4 (2005): e124074,
. . Strategy. 2005;12(4):e124074 (In Persian).
