. (2005). . (e124144). Strategy, 13(3), e124144
. "" .e124144 , Strategy, 13, 3, 2005, e124144.
. (2005). '', Strategy, 13(3), e124144.
, "," Strategy, 13 3 (2005): e124144,
. . Strategy. 2005;13(3):e124144 (In Persian).
