@phdthesis{discovery10020446,
            note = {Thesis: (EdD) University of London Institute of Education, 2005.},
           title = {An investigation into the nature of mathematical enrichment : A case study of implementation},
            year = {2004},
          school = {Institute of Education, University of London},
             url = {https://discovery.ucl.ac.uk/id/eprint/10020446/},
          author = {Piggott, Jennifer Susan}
}