. (2004). . (e124015). Strategy, 12(1), e124015
. "" .e124015 , Strategy, 12, 1, 2004, e124015.
. (2004). '', Strategy, 12(1), e124015.
, "," Strategy, 12 1 (2004): e124015,
. . Strategy. 2004;12(1):e124015 (In Persian).
