1. Akhtar, M. (2011). Remembering, replaying and working through: The transformation of trauma in children’s play. In M. Akhtar (Ed.), Play and playfulness (pp. 85–104). Plymouth, UK: Jason Aronson.
2. Atkinson, C. (2007). Playground buddies. In North West educational psychologists’ CPD conference. Chorley. Retrieved from
https://www.escholar.manchester.ac.uk/uk-ac-man-scw:132797
3. Blatchford, P. (1998). The state of play in schools. Child Psychology and Psychiatry Review, 3(2), 58–67.
https://doi.org/10.1111/1475-3588.00213
4. Blatchford, P., Baines, E., & Pellegrini, A. (2003). The social context of school playground games: Sex and ethnic differences, and changes over time after entry to junior school. British Journal of Developmental Psychology, 21(4), 481–505.
https://doi.org/10.1348/026151003322535183
5. Blatchford, P., Pelligrini, T., Baines, E., & Kentaro, K. (2002). Playground games: Their social context in elementary/junior school. Final report to the Spencer Foundation. Retrieved from
http://www.breaktime.org.uk/SpencerFinalReport02.pdf