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green rule
Currency: date of publication and last update

Things to Consider

    When was the information created, published or compiled?
sample publications Most information sources indicate a date of publication. If a source provides no information on when it was created or published, it may not be appropriate to use if timeliness is important for your topic.
    Is the information regularly updated and how often?
clock Certain information sources like the National Debt Clock on the Web are updated continuously or daily.
 
Other information sources are updated at regular intervals, such as monthly or annually. Economic Report of the President: A monthly publication

green rule
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Adapted with permission from Oasis, San Francisco State University http://oasis.sfsu.edu

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