Unpaywall is a handy little open source project, available to use as a browser extension, which makes it easier to find open access copies of journal papers.
I just thought I'd share this here for those who may need it. I find it very useful!
@invaderxan I've been testing Kopernio, too. Both very useful for finding OA versions!
@delibrarian Oh cool, thank you, I hadn't heard of this one!
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