. (2005). . (e124141). Strategy, 13(3), e124141
. "" .e124141 , Strategy, 13, 3, 2005, e124141.
. (2005). '', Strategy, 13(3), e124141.
, "," Strategy, 13 3 (2005): e124141,
. . Strategy. 2005;13(3):e124141 (In Persian).
