. (2007). . (e124236). Strategy, 14(4), e124236
. "" .e124236 , Strategy, 14, 4, 2007, e124236.
. (2007). '', Strategy, 14(4), e124236.
, "," Strategy, 14 4 (2007): e124236,
. . Strategy. 2007;14(4):e124236 (In Persian).
