?url_ver=Z39.88-2004&rft_id=10.1111%2Fbld.12363&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Ajournal&rft.aufirst=Brent&rft.aulast=Hayward&rft.au=Hayward%2C+Brent&rft.volume=49&rft.atitle=Introducing+positive+behaviour+support+(PBS)+into+disability+services+for+successful+adoption%3A+A+synthesised+systematic+review&rft.date=June+2021&rft.issue=2&rft.title=British+Journal+of+Learning+Disabilities&rft.issn=1354-4187&rft.genre=article