. (2001). . (e123756). Strategy, 9(1), e123756
. "" .e123756 , Strategy, 9, 1, 2001, e123756.
. (2001). '', Strategy, 9(1), e123756.
, "," Strategy, 9 1 (2001): e123756,
. . Strategy. 2001;9(1):e123756 (In Persian).
