. (2001). . (e123748). Strategy, 9(1), e123748
. "" .e123748 , Strategy, 9, 1, 2001, e123748.
. (2001). '', Strategy, 9(1), e123748.
, "," Strategy, 9 1 (2001): e123748,
. . Strategy. 2001;9(1):e123748 (In Persian).
