Answered By: Gannett-Tripp Library
Last Updated: Jan 02, 2019     Views: 1

"DOI" stand for "Digital Object Identifier."  It's a unique number assigned to journal articles and other documents that have been published or made available online.  Many journal articles have DOIs, especially in the sciences and social sciences.  DOIs can also serve as permanent links to articles.  A typical DOI looks something like this: 


You can look up a DOI by going to the DOI website (the link is at the end of this entry) and entering the DOI into the search box.  You can also look up a DOI by adding "" to the beginning of the DOI and entering the link into any internet browser.

If you're citing an article that has a DOI, you should include the DOI in the citation.  Not all articles have DOIs, so if an article you're citing doesn't have one, that's OK.

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