. (2001). . (e123745). Strategy, 9(1), e123745
. "" .e123745 , Strategy, 9, 1, 2001, e123745.
. (2001). '', Strategy, 9(1), e123745.
, "," Strategy, 9 1 (2001): e123745,
. . Strategy. 2001;9(1):e123745 (In Persian).
