. (2004). . (e124009). Strategy, 12(1), e124009
. "" .e124009 , Strategy, 12, 1, 2004, e124009.
. (2004). '', Strategy, 12(1), e124009.
, "," Strategy, 12 1 (2004): e124009,
. . Strategy. 2004;12(1):e124009 (In Persian).
