. (2003). . (e123964). Strategy, 11(3), e123964
. "" .e123964 , Strategy, 11, 3, 2003, e123964.
. (2003). '', Strategy, 11(3), e123964.
, "," Strategy, 11 3 (2003): e123964,
. . Strategy. 2003;11(3):e123964 (In Persian).
