1. Two perspectives on proportional relationships: Extending complementary origins of multiplication in terms of quantities;Beckmann;Journal for Research in Mathematics Education,2015
2. Rational numbers: Toward a semantic analysis-emphasis on the operator construct;Behr,1993
3. Co-construction of fractions schemes and units coordinating structures;Boyce;The Journal of Mathematical Behavior,2016
4. Identification of multiplicative thinking in children in grades 1-5;Clark;Journal for Research in Mathematics Education,1996
5. Analysis of clinical interview: Foundations and model viability;Clement,2000