. (2001). . (e123740). Strategy, 9(1), e123740
. "" .e123740 , Strategy, 9, 1, 2001, e123740.
. (2001). '', Strategy, 9(1), e123740.
, "," Strategy, 9 1 (2001): e123740,
. . Strategy. 2001;9(1):e123740 (In Persian).
