Stephens, Max, and Richard Xu Keqiang. “Using a Framework of 21st Century Competencies to Examine Changes Between China’s 2001 and 2011 Mathematics Curriculum Standards for Basic Education”. Journal of Mathematics Education at Teachers College 5, no. 2 (December 15, 2014). Accessed November 27, 2024. https://journals-test.library.columbia.edu/index.php/jmetc/article/view/649.