1. Research on mathematical proof;Alibert,1991
2. Speech genres and other late essays;Bakhtin,1986
3. With an eye on the mathematical horizon: Dilemmas of teaching elementary school mathematics;Ball;Elementary School Journal,1993
4. The relation of moral judgment state disparity to developmental effects of peer dialogues;Berkowitz;Merrill-Palmer Quarterly,1980
5. Understanding instructional scaffolding in classroom discourse on proof;Blanton,2009