D.L. Ball

• Breaking With Experience
• Halves, Pieces, and Twoths ; Construction Representational Contexts in Teaching Fractions/Cp90-2
• Ḣamkhuni Devashtich
• Research on Teaching Mathematics
• The Subject Matter Preparation of Prospective Mathematics Teachers
• Unlearning to Teach Mathematics/Ip88-1
• With an Eye on the Mathematical Horizon