. (2004). . (e124013). Strategy, 12(1), e124013
. "" .e124013 , Strategy, 12, 1, 2004, e124013.
. (2004). '', Strategy, 12(1), e124013.
, "," Strategy, 12 1 (2004): e124013,
. . Strategy. 2004;12(1):e124013 (In Persian).
