. (2004). . (e124007). Strategy, 12(1), e124007
. "" .e124007 , Strategy, 12, 1, 2004, e124007.
. (2004). '', Strategy, 12(1), e124007.
, "," Strategy, 12 1 (2004): e124007,
. . Strategy. 2004;12(1):e124007 (In Persian).
