. (2006). . (e124201). Strategy, 14(2), e124201
. "" .e124201 , Strategy, 14, 2, 2006, e124201.
. (2006). '', Strategy, 14(2), e124201.
, "," Strategy, 14 2 (2006): e124201,
. . Strategy. 2006;14(2):e124201 (In Persian).
