?url_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Abook&rft.aulast=Ringrose&rft.aufirst=J&rft.au=Ringrose%2C+J&rft.date=31+October+2019&rft.btitle=Encyclopedia+of+Educational+Innovations&rft.title=PhEmaterialism&rft.genre=bookitem