== Web Links ==
* [http://carbon.cudenver.edu/~mryder/itc/act_dff.html What is Activity Theory?] {{Webarchive|url=https://web.archive.org/web/20080509184555/http://carbon.cudenver.edu/~mryder/itc/act_dff.html |date= 9. maj 2008 }}
* [http://www.edu.helsinki.fi/activity/people/engestro/ Activity theory (Cultural Historical Activity Theory, CHAT] {{Webarchive|url=https://web.archive.org/web/20140218160515/http://www.edu.helsinki.fi/activity/people/engestro/ |date=18. februar 2014 }}
* [http://www.db.dk/bh/Core%20Concepts%20in%20LIS/articles%20a-z/Activity%20theory.htm Center for Activity Theory and Developmental Work Research] {{Webarchive|url=https://web.archive.org/web/20070927075619/http://www.db.dk/bh/Core%20Concepts%20in%20LIS/articles%20a-z/Activity%20theory.htm |date=27. september 2007 }}
* [http://www.socioweb.de/lexikon/lex_geb/begriffe/taetigke.htm Lexikon. Wissenswertes zur Erwachsenenbildung] {{Webarchive|url=https://web.archive.org/web/20080201081905/http://www.socioweb.de/lexikon/lex_geb/begriffe/taetigke.htm |date= 1. februar 2008 }}
* [http://www.firstmonday.org/issues/issue12_4/kaptelinin/chapter9.html Acting with Technology: Activity Theory and Interaction Design] {{Webarchive|url=https://web.archive.org/web/20080703222053/http://www.firstmonday.org/issues/issue12_4/kaptelinin/chapter9.html |date= 3. juli 2008 }}
*[http://www.iscar.org/dk/dkkonf/dkvirk.htm Virksomhedsteorikonferencerne i Danmark] {{Webarchive|url=https://web.archive.org/web/20090107065832/http://www.iscar.org/dk/dkkonf/dkvirk.htm |date= 7. januar 2009 }}
Psykologi Biblioteks-_og_informationsvidenskab