Antonopoulos, N., Lamprou, E., Kiourexidou, M., Konidaris, A., Polykalas, S. (2020). Media Websites Services and Users Subscription Models for Online Journalism. Journal Media Watch, Volume, Issue 11, Vol 2 , Pages 310-322 , ISSN 0976-0911 | E-ISSN 2249-8818. DOI: 10.15655/mw/2020/v11i2/195650 . Media Websites Services and Users Subscription Models for Online Journalism