. (2007). . (e124238). Strategy, 14(4), e124238
. "" .e124238 , Strategy, 14, 4, 2007, e124238.
. (2007). '', Strategy, 14(4), e124238.
, "," Strategy, 14 4 (2007): e124238,
. . Strategy. 2007;14(4):e124238 (In Persian).
