Traducción resumida del capitulo Webb, N.L. (1992). Assessment of Students’ Knowledge of Mathematics: Steps toward a Theory. En Grouws, D.A. (Ed.)Handbook of Research on Mathematics Teaching and Learning. New York: Macmillan, pp. 661-683.
Norman L. Webb (1992) Assessement of Student's knowledge of Mathematics: steps toward a theory. Capítulo 26 del Handbook of Research on Teaching and learning Mathematics D.A.Grouws editor. MacMillan. New York.