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African Studies Abstracts Online is a quarterly abstracting service covering academic journal articles and edited works on Africa in the field of the social sciences and the humanities available in the library of the Afrika-Studiecentrum , Leiden , The Netherlands .
 location: Africa
Please list all entity words in the text that fit the category.Output format is "type1: word1; type2: word2". 
Option: location, person, organization 
Text: {0} 
Answer:
 location: Africa