1. Standards for educational and psychological testing;American Educational Research Association,1999
2. The thinking-about-derivative test for undergraduate students: Development and validation;Aydin;International Journal of Science and Mathematics Education,2014
3. Promoting students' graphical understanding of the calculus;Berry;Journal of Mathematical Behavior,2003
4. Multilevel analysis for applied research. It's just regression!;Bickel,2007
5. Concept image revisited;Bingolbali;Educational Studies in Mathematics,2008