. (2004). . (e124056). Strategy, 12(3), e124056
. "" .e124056 , Strategy, 12, 3, 2004, e124056.
. (2004). '', Strategy, 12(3), e124056.
, "," Strategy, 12 3 (2004): e124056,
. . Strategy. 2004;12(3):e124056 (In Persian).
