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Acta Universitatis Lodziensis. Folia Sociologica > 2022 > 83 > 33-56
International Review of Education > 2017 > 63 > 5 > 725-744
Studies in Philosophy and Education > 2012 > 31 > 3 > 275-288
European Journal of Education > 46 > 1 > 70 - 84
Edukacja Dorosłych > 2010 > 1(62) > 117-123
IEEE Transactions on Instrumentation and Measurement > 2008 > 57 > 4 > 724 - 730