1. Allport, G. W. (1954). The nature of prejudice. Massachusetts: Addison-Wesley.
2. Amrein, A. L., & Berliner, D. C. (2002). High-stakes testing, uncertainty, and student learning. Education Policy Analysis Archive, 10(18).
3. Arrow, Kenneth Joseph. (2012). Social choice and individual values. New Haven and London: Yale University Press.
4. Bardach, E. (1977). The implementation game: What happens after a bill becomes a law. London: M.I.T. Press.
5. Barrett, S., & Fudge, C. (1981). Policy and action: Essays on the implementation of public policy. London: Methuen.