1. Beth, E. W., & Piaget, J. (1966). Mathematical epistemology and psychology (W. Mays, Trans.). D. Riedel.
2. Carlson, M., Jacobs, S., Coe, E., Larsen, S., & Hsu, E. T. (2002). Applying covariational reasoning while modeling dynamic events: A framework and a study. Journal for Research in Mathematics Education, 33(5), 352–378.
3. Chapman, M. (1988). Constructive evolution: Origins and development of Piaget’s thought. Cambridge University Press.
4. Cobb, P. (2007). Putting philosophy to work: Coping with multiple theoretical perspectives. In F. K. Lester (Ed.), Second handbook of research on mathematics teaching and learning (Vol. 1, pp. 1–38). Information Age Publishing.
5. Damasio, A. (1994). Descartes’ error: Emotion, reason, and the human brain. Penguin Books.