@book{Butt_2015, address={London}, title={MasterClass in geography education: transforming teaching and learning}, volume={MasterClass series}, publisher={Bloomsbury Academic}, author={Butt, Graham}, year={2015} }
@inbook{Hart_1981, address={London}, title={Chapter 7, Ratio and proportion}, url={https://contentstore.cla.co.uk/secure/link?id=8c863559-bf1d-e611-80bd-0cc47a6bddeb}, booktitle={Children’s understanding of mathematics, 11-16}, publisher={John Murray}, author={Hart, Kathleen}, year={1981}, pages={88–97} }
@book{Jones_2017, address={Sheffield}, title={The handbook of secondary geography}, publisher={Geographical Association}, author={Jones, Mark}, year={2017} }
@book{Lambert_Jones_2013, address={London}, title={Debates in geography education}, volume={Debates in subject teaching series}, publisher={Routledge}, author={Lambert, David and Jones, Mark}, year={2013} }
