Mendoza Epperson, James A., and Kathryn Rhoads. “Choosing High-Yield Tasks for the Mathematical Development of Practicing Secondary Teachers”. Journal of Mathematics Education at Teachers College 6, no. 1 (May 12, 2015). Accessed November 14, 2024. https://journals-test.library.columbia.edu/index.php/jmetc/article/view/608.