. (2001). . (e123750). Strategy, 9(1), e123750
. "" .e123750 , Strategy, 9, 1, 2001, e123750.
. (2001). '', Strategy, 9(1), e123750.
, "," Strategy, 9 1 (2001): e123750,
. . Strategy. 2001;9(1):e123750 (In Persian).
