Zaslavsky, O., & Sullivan, P. (2011). Constructing Knowledge for Teaching Secondary Mathematics: Tasks to enhance prospective and practicing teacher learning. Springer US. https://doi.org/10.1007/978-0-387-09812-8

Zaslavsky, Orit, and Peter Sullivan. Constructing Knowledge for Teaching Secondary Mathematics: Tasks to Enhance Prospective and Practicing Teacher Learning. Boston, MA: Springer US, 2011. https://doi.org/10.1007/978-0-387-09812-8.

Zaslavsky, Orit, and Peter Sullivan. Constructing Knowledge for Teaching Secondary Mathematics: Tasks to Enhance Prospective and Practicing Teacher Learning. Springer US, 2011. https://doi.org/10.1007/978-0-387-09812-8.