. (2001). . (e123741). Strategy, 9(1), e123741
. "" .e123741 , Strategy, 9, 1, 2001, e123741.
. (2001). '', Strategy, 9(1), e123741.
, "," Strategy, 9 1 (2001): e123741,
. . Strategy. 2001;9(1):e123741 (In Persian).
