1. Artigue, M., Bosch, M., & Gascón, J. (2011). Research praxeologies and networking theories. In M. Pytlak, T. Rowland, & E. Swoboda (Eds.), Proceedings of the seventh Congress of the European Society for Research in Mathematics Education (pp. 2381–2390). Rzeszów: University of Rzeszów.
2. Arzarello, F., Bosch, M., Lenfant, A., & Prediger, S. (2008). Different theoretical perspectives in research from teaching problems to research problems. In D. Pitta-Pantazi, G. Phillipou, et al. (Eds.), Proceedings of the 5th Congress of the European Society for Research in Mathematics Education (CERME 5) (pp. 1618–1627). Cyprus: ERME.
3. Advances in mathematics education series;A Bikner-Ahsbahs,2010
4. Bogen, J., & Woodward, J. (1988). Saving the phenomena. The Philosophical Review, CXVII(3), 304–352.
5. Denzin, N. K. (1970). The research act in sociology. Chicago: Aldine.