. (2007). . (e124284). Strategy, 15(3), e124284
. "" .e124284 , Strategy, 15, 3, 2007, e124284.
. (2007). '', Strategy, 15(3), e124284.
, "," Strategy, 15 3 (2007): e124284,
. . Strategy. 2007;15(3):e124284 (In Persian).
