. (2004). . (e124004). Strategy, 12(1), e124004
. "" .e124004 , Strategy, 12, 1, 2004, e124004.
. (2004). '', Strategy, 12(1), e124004.
, "," Strategy, 12 1 (2004): e124004,
. . Strategy. 2004;12(1):e124004 (In Persian).
