@phdthesis{discovery10019632,
            note = {Thesis: (MPhil) University of London Institute of Education,1987.},
          school = {Institute of Education, University of London},
           title = {An investigation into children's acquisition of the notion of place-value},
            year = {1987},
          author = {Jones, Gillian Wendy.},
             url = {https://discovery-pp.ucl.ac.uk/id/eprint/10019632/}
}