. (2001). . (e123739). Strategy, 9(1), e123739
. "" .e123739 , Strategy, 9, 1, 2001, e123739.
. (2001). '', Strategy, 9(1), e123739.
, "," Strategy, 9 1 (2001): e123739,
. . Strategy. 2001;9(1):e123739 (In Persian).
