1. Dialogue and learning in mathematics education. Intention, reflection, critique;Alrø,2004
2. Introduction to the theory of didactical situations (TDS);Artigue,2014
3. Detecting sequential patterns and determining their reliability with fallible observers;Bakeman;Psychological Methods,1997
4. Manipulatives in mathematics education;Bartolini,2014
5. Brousseau, G. (1997). Theory of didactical situations in mathematics–Didactique des mathématiques, 1970–1990 (N. balacheff, M. cooper, R. sutherland, & V. warfield, trans. & eds.). Dordrecht: Kluwer.