. (2004). . (e124005). Strategy, 12(1), e124005
. "" .e124005 , Strategy, 12, 1, 2004, e124005.
. (2004). '', Strategy, 12(1), e124005.
, "," Strategy, 12 1 (2004): e124005,
. . Strategy. 2004;12(1):e124005 (In Persian).
