. (2006). . (e124211). Strategy, 14(3), e124211
. "" .e124211 , Strategy, 14, 3, 2006, e124211.
. (2006). '', Strategy, 14(3), e124211.
, "," Strategy, 14 3 (2006): e124211,
. . Strategy. 2006;14(3):e124211 (In Persian).
