Burkhardt, H. – Schoenfeld, A. H.: Improving Educational Research: Toward a More Useful, More Influential, and Better-Funded Enterprise. Educational Researcher, Vol. 32, No. 9, pp. 3–14, 2003.
Burkhardt, H. – Schoenfeld, A. H.: Improving Educational Research: Toward a More Useful, More Influential, and Better-Funded Enterprise. Educational Researcher, Vol. 32, No. 9, pp. 3–14, 2003.