. (2007). . (e124281). Strategy, 15(3), e124281
. "" .e124281 , Strategy, 15, 3, 2007, e124281.
. (2007). '', Strategy, 15(3), e124281.
, "," Strategy, 15 3 (2007): e124281,
. . Strategy. 2007;15(3):e124281 (In Persian).
