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Between 1996 and 2000 he was an Assistant Professor in the Institute of Applied Social Sciences at the University of Warsaw , where he has worked since 2001 as Adjunct Professor .
 Sciences, University of Warsaw
Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: location, person, organization 
Text: {0} 
Answer:
 Sciences, University of Warsaw