References
Ahmed, A. (1987) Better mathematics, London, HMSO.
Begg, A. (1994) ‘Processes uncovered’, in Neyland, J. (ed.) Mathematics education: a handbook for teachers. Volume 1, Masterton NZ, Wairarapa Education Resource Centre/Reston VA, National Council of Teachers of Mathematics, pp. 183–92.
NCTM (1989) Curriculum and evaluation standards for school mathematics, Reston VA, National Council of Teachers of Mathematics.
Qualifications and Curriculum Authority (2007) National Curriculum Mathematics programme of study for key stage 3 and attainment targets. http://www.education.gov.uk/ schools/ teachingandlearning/ curriculum/ secondary/ b00199003/ mathematics (Accessed 15 February 2012).
Upson, W.H. (1964) ‘Paul Bunyan versus the conveyor belt’, In Johnson, D.A. and Glenn, W.H. (eds) Topology: the Rubber-sheet Geometry, London, John Murray, pp. 12–3. (First published, 1960, USA, McGraw-Hill.)