As the internet evolves, webpages that were live years ago are frequently no longer available today. In some cases, that's for the best (so long, embarrassing MySpace profiles), but it is a concern when it comes to scientific research.
원문출처 : https://www.cnn.com/2020/09/15/us/vanished-open-access-journals-trnd-scn/index.html
원문출처 : https://www.cnn.com/2020/09/15/us/vanished-open-access-journals-trnd-scn/index.html