. (2005). . (e124063). Strategy, 12(4), e124063
. "" .e124063 , Strategy, 12, 4, 2005, e124063.
. (2005). '', Strategy, 12(4), e124063.
, "," Strategy, 12 4 (2005): e124063,
. . Strategy. 2005;12(4):e124063 (In Persian).
