July 2015 Mequoda
Digital Magazine Market Study & Handbook https://www.mequoda.com/free-reports/digital-magazine-study/
May 2008 Gilbane Group Inc
Digital Magazine and Newspaper Editions Growth, Trends, and Best Practices An industry first research report on digital editions prepared by Gilbane Group in May 2008. This version is an abridged version of the original report that can be downloaded in PDF at: https://gilbane.com/Research-Reports/Gilbane-Digital-Editions-Report-May-2008.pdf.