. (2007). . (e124246). Strategy, 14(4), e124246
. "" .e124246 , Strategy, 14, 4, 2007, e124246.
. (2007). '', Strategy, 14(4), e124246.
, "," Strategy, 14 4 (2007): e124246,
. . Strategy. 2007;14(4):e124246 (In Persian).
