1. Arrow, Kenneth J. (1963).Social Change and Individual Values. New York: Wiley.
2. Bardach, Eugene (1978).The Implementation Game: What Happens After a Bill Becomes Law. Cambridge: MIT Press.
3. Bardecki, Michael (1984). ?Participants' response to the delphi method: An attitudinal perspective.?Technological Forecasting and Social Change 25: 281?292.
4. Berkowitz, Edward (1987).Disabled Policy: America's Programs for the Handicapped (A Twentieth Century Fund Report). New York: Cambridge University Press.
5. Bryen, Diane et al. (1987). ?Barriers to employability of persons with handicaps.? Philadelphia: Temple University Development Disability Center, submitted to the U.S. Department of Labor (grant number J-9E-3-0172).