?url_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Ajournal&rft.au=Jerrim%2C+J&rft.aufirst=J&rft.aulast=Jerrim&rft.title=Review+of+Education&rft.volume=9&rft.atitle=PISA+2018+in+England%2C+Northern+Ireland%2C+Scotland+and+Wales%3A+Is+the+data+really+representative+of+all+four+corners+of+the+UK%3F&rft.issue=3&rft.date=1+October+2021&rft.genre=article