Hits 1-2 within 2 documents
National Health Data from the Robert Koch Institute [journal article]
Source: Journal of Contextual Economics : Schmollers Jahrbuch, 132 (2012) 1. p.123-140
PISA, PIRLS, and more: the Research Data Centre at the Institute for Educational Progress (FDZ-IQB) [journal article]
Source: Journal of Contextual Economics : Schmollers Jahrbuch, 131 (2011) 3. p.521–528