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https://helda.helsinki.fi Validity in Research on Naturally Occurring Social Interaction Peräkylä, Anssi Sage 2011 Peräkylä , A 2011 , Validity in Research on Naturally Occurring Social Interaction . in D Silverman (ed.) , Qualitative Research. Third Edition. . 3rd edn , Sage , London . http://hdl.handle.net/10138/29204 Downloaded from Helda, University of Helsinki institutional repository. This is an electronic reprint of the original article. This reprint may differ from the original in pagination and typographic detail. Please cite the original version.
