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Duah, F., Croft, T. and Inglis, M. (2013) Can peer assisted learning be effective in undergraduate mathematics? International Journal of Mathematical Education in Science and Technology, 45 (4). pp. 552-565. ISSN 0020-739X

Popper, S. (2013) Re-thinking Superhero and Weapon Play: Superheros and Children's Moral Development. 9780335247066 . Open University Press: McGraw-Hill Education, Maidenhead, Berkshire. ISBN 9780335247066

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