. (2006). . (e124206). Strategy, 14(2), e124206
. "" .e124206 , Strategy, 14, 2, 2006, e124206.
. (2006). '', Strategy, 14(2), e124206.
, "," Strategy, 14 2 (2006): e124206,
. . Strategy. 2006;14(2):e124206 (In Persian).
