. (2004). . (e124012). Strategy, 12(1), e124012
. "" .e124012 , Strategy, 12, 1, 2004, e124012.
. (2004). '', Strategy, 12(1), e124012.
, "," Strategy, 12 1 (2004): e124012,
. . Strategy. 2004;12(1):e124012 (In Persian).
