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3. A chronology of the Senate expenses scandal;CBC News;CBC News,2013
4. Centre for the Advancement of Public Integrity at Columbia Law School 2016 http://web.law.columbia.edu/sites/default/files/microsites/public-integrity/files/overview_of_state_oversight_institutions_-_capi_issue_brief_-_august_2016_0.pdf
5. Commission on Conflict of Interest 1990 https://www.oico.on.ca/docs/default-source/annual-reports/annual-report-1988-1989.pdf?sfvrsn=6