. (2005). . (e124087). Strategy, 13(1), e124087
. "" .e124087 , Strategy, 13, 1, 2005, e124087.
. (2005). '', Strategy, 13(1), e124087.
, "," Strategy, 13 1 (2005): e124087,
. . Strategy. 2005;13(1):e124087 (In Persian).
