. (2001). . (e123763). Strategy, 9(2), e123763
. "" .e123763 , Strategy, 9, 2, 2001, e123763.
. (2001). '', Strategy, 9(2), e123763.
, "," Strategy, 9 2 (2001): e123763,
. . Strategy. 2001;9(2):e123763 (In Persian).
