Lonsdale, Peter (2011) Design and evaluation of mobile games to support active and reflective learning outdoors. PhD thesis, University of Nottingham.
Ding, Sharon (1995) Developing structural representations: their role in analogical reasoning. PhD thesis, University of Nottingham.
Manches, A.D. (2010) The effect of physical manipulation on children's numerical strategies: evaluating the potential for tangible technology. PhD thesis, University of Nottingham.