- Piaget's Theory of Intellectual Development
- Entering the Child's Mind: The Clinical Interview In Psychological Research and Practice
- Young Children’s Amazing Math: A Guide to Understanding and Supporting Early Learning
- Mathematics 7 Exploring Your World
- Children's Arithmetic: How They Learn It and How You Teach It
- Sylvia Opper
- Ruth I. Champagne
- Tim Hall
- William Tate
- Joan Ferrini-Mundy
- Thomas Cooney
- Martin Ira Glassner
- John Fraser Hart
- John Rennie Short
- James M. Lindsay
- Leonard Krieger
- Colin Flint
- Ken Wedding
- John W. Alexander
- Peter E. Lloyd
- Susan Mayhew
- Truman A. Hartstrom
- Wu Jingzi
- David Briggs
- Patrick McCullagh






















