. (2001). . (e123744). Strategy, 9(1), e123744
. "" .e123744 , Strategy, 9, 1, 2001, e123744.
. (2001). '', Strategy, 9(1), e123744.
, "," Strategy, 9 1 (2001): e123744,
. . Strategy. 2001;9(1):e123744 (In Persian).
