. (2006). . (e124216). Strategy, 14(3), e124216
. "" .e124216 , Strategy, 14, 3, 2006, e124216.
. (2006). '', Strategy, 14(3), e124216.
, "," Strategy, 14 3 (2006): e124216,
. . Strategy. 2006;14(3):e124216 (In Persian).
