. (2001). . (e123742). Strategy, 9(1), e123742
. "" .e123742 , Strategy, 9, 1, 2001, e123742.
. (2001). '', Strategy, 9(1), e123742.
, "," Strategy, 9 1 (2001): e123742,
. . Strategy. 2001;9(1):e123742 (In Persian).
