. (2004). . (e124020). Strategy, 12(1), e124020
. "" .e124020 , Strategy, 12, 1, 2004, e124020.
. (2004). '', Strategy, 12(1), e124020.
, "," Strategy, 12 1 (2004): e124020,
. . Strategy. 2004;12(1):e124020 (In Persian).
