BIM Annual Needs SurveyBIM Annual Needs Survey 2020 pdfBIM 2020 Annual Needs Survey OverviewBIM Annual Needs Survey 2021 pdfAnnual ReportsAnnual Report 2017 -2018 pdfAnnual Report 2018 – 2019 pdfAnnual Report 2019-2020 pdfOther publicationsDr Christine Durham Swimming Up Waterfalls ppt