. (2005). . (e124069). Strategy, 12(4), e124069
. "" .e124069 , Strategy, 12, 4, 2005, e124069.
. (2005). '', Strategy, 12(4), e124069.
, "," Strategy, 12 4 (2005): e124069,
. . Strategy. 2005;12(4):e124069 (In Persian).
