. (2004). . (e124021). Strategy, 12(1), e124021
. "" .e124021 , Strategy, 12, 1, 2004, e124021.
. (2004). '', Strategy, 12(1), e124021.
, "," Strategy, 12 1 (2004): e124021,
. . Strategy. 2004;12(1):e124021 (In Persian).
