digital publishing - SERP Analysis

https://www.stateofdigitalpublishing.com/digital-publishing/what-is-digital-publishing/

https://shorthand.com/the-craft/digital-publishing-examples/index.html

https://draft2digital.com/

https://indiemedia.club/tools/best-online-publishing-platforms/

https://kdp.amazon.com/

https://issuu.com/

https://www.copypress.com/kb/content-marketing/everything-you-need-to-know-about-digital-publishing/

https://kitaboo.com/digital-publishing-companies-in-usa/

https://flippingbook.com/blog/marketing-tips/online-publishing-platforms

https://en.wikipedia.org/wiki/Electronic_publishing