Social Science Open Access Repository (SSOAR) .........................................................................
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Social Science Open Access Repository, SSOAR @ http://www.ssoar.info/en/home.html
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Zabal, A., Martin, S., & Rammstedt, B. (2017). PIAAC-L data collection 2015: Technical report (GESIS Papers, 2017/29). Social Science Open Access Repository. https://shorturl.at/zBDRY
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