Geometry Learning
Johnston-Wilder, S. & Mason, J. (eds.) (2005) Developing Thinking in Geometry London, Open University & Paul Chapman Publishing
[in HKUL]

Brown, M., Jones, K. & Taylor, R. (2003) Developing Geometrical Reasoning in the Secondary School: Outcomes of Trialling Teaching Activities in Classrooms. Qualification and Curriculum Authority.

Developing Reasoning through Algebra and Geometry, mathematics resources provided by the Qualifications and Curriculum Authority (QCA)