Christophersen, K.-A., E. Elstad, and A. Turmo. “Antecedents of Teachers Fostering Effort Within Two Different Management Regimes: An Assessment-Based Accountability Regime and Regime Without External Pressure on Results”. International Journal of Education Policy and Leadership, vol. 7, no. 6, Oct. 2012, doi:10.22230/ijepl.2012v7n6a358.