. (2005). . (e124066). Strategy, 12(4), e124066
. "" .e124066 , Strategy, 12, 4, 2005, e124066.
. (2005). '', Strategy, 12(4), e124066.
, "," Strategy, 12 4 (2005): e124066,
. . Strategy. 2005;12(4):e124066 (In Persian).
