?url_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Adissertation&rft.aufirst=Elizabeth&rft.aulast=Halstead&rft.au=Halstead%2C+Elizabeth&rft.title=Resilience%2C+Behavioural+Problems+and+Well-being+in+Children+with+Intellectual+and+Developmental+Disabilities+and+their+Families&rft.tpages=266&rft.date=March+2016&rft.inst=Bangor+University&rft.degree=Doctoral