. (2007). . (e124243). Strategy, 14(4), e124243
. "" .e124243 , Strategy, 14, 4, 2007, e124243.
. (2007). '', Strategy, 14(4), e124243.
, "," Strategy, 14 4 (2007): e124243,
. . Strategy. 2007;14(4):e124243 (In Persian).
