. (2007). . (e124275). Strategy, 15(3), e124275
. "" .e124275 , Strategy, 15, 3, 2007, e124275.
. (2007). '', Strategy, 15(3), e124275.
, "," Strategy, 15 3 (2007): e124275,
. . Strategy. 2007;15(3):e124275 (In Persian).
