Author,Title,Journal,ISSN,Publisher,Date,Volume,Number,Page,URL,URL(DOI) Clive S Lennox and Jeffrey A Pittman,Voluntary Audits versus Mandatory Audits,The Accounting Review,0001-4826,American Accounting Association,2011-05-01,86,5,1655-1678,https://cir.nii.ac.jp/crid/1360294645357789824,https://doi.org/10.2308/accr-10098