. (2006). . (e124227). Strategy, 14(3), e124227
. "" .e124227 , Strategy, 14, 3, 2006, e124227.
. (2006). '', Strategy, 14(3), e124227.
, "," Strategy, 14 3 (2006): e124227,
. . Strategy. 2006;14(3):e124227 (In Persian).
