. (2005). . (e124133). Strategy, 13(3), e124133
. "" .e124133 , Strategy, 13, 3, 2005, e124133.
. (2005). '', Strategy, 13(3), e124133.
, "," Strategy, 13 3 (2005): e124133,
. . Strategy. 2005;13(3):e124133 (In Persian).
