. (2007). . (e124253). Strategy, 15(1), e124253
. "" .e124253 , Strategy, 15, 1, 2007, e124253.
. (2007). '', Strategy, 15(1), e124253.
, "," Strategy, 15 1 (2007): e124253,
. . Strategy. 2007;15(1):e124253 (In Persian).
