15. The Research Base
- The Role of Research
- The Nature of the Research Literature
- Research Findings By Chapter and Section
View author’s reference(s)
Author: Herscovics, N.
- Herscovics, N. (1989). Cognitive obstacles encountered in the learning of algebra. In S. Wagner & C. Kieran (Eds.),. Research issues in the learning and teaching of algebra. (pp. 60-86). Reston, VA: National Council of Teachers of Mathematics.