. (2005). . (e124104). Strategy, 13(2), e124104
. "" .e124104 , Strategy, 13, 2, 2005, e124104.
. (2005). '', Strategy, 13(2), e124104.
, "," Strategy, 13 2 (2005): e124104,
. . Strategy. 2005;13(2):e124104 (In Persian).
