P. Eynde, E. Corte, and L. Verschaffel. Conference on Mathematics Beliefs and Their Impact on Teaching and Learning of Mathematics, Mathematical Research Institute, Oberwolfach, Germany, (1999)
M. Hannula, J. Evans, G. Philippou, and R. Zan. Proceedings of the 28th Conference of the International Group for the Psychology of Mathematics Education, (2004)