. (2004). . (e124045). Strategy, 12(3), e124045
. "" .e124045 , Strategy, 12, 3, 2004, e124045.
. (2004). '', Strategy, 12(3), e124045.
, "," Strategy, 12 3 (2004): e124045,
. . Strategy. 2004;12(3):e124045 (In Persian).
