Ping Yu (2011). Study on Difference in Schematic Knowledge Relating to Mathematical Problems among Students of Different Math Achievement. Journal on Mathematics Education.
Ping Yu (2009). Hierarchical Ordering of Schematic Knowledge Relating to Pythagorean Theorem Problems——the Explanation Based on Relational-representational Complexity Model. Journal on Mathematics Education.
Ping Yu (2005). A Study on Difference in Mathematical Problem Representation Among Students of Different Grades. Yingyong xinlixue.
Ping Yu (2005). Influence of Level of Awareness on Transfer of Mathematical Problem with the Broad Abstract Relationship. Journal on Mathematics Education.