| http://www.w3.org/ns/prov#value | - At the same time they show examples of questions in which the level of difficulty is greatly reduced or enhancedhttp://www.scienceinpublic.com.au/blog/wp-content/uploads/Svein-Sjoberg-PISA-tests_La-Revue_no14-Sept-2012.pdfThe value for money of the full education is reduced by politicians to PISA point per invested dolar!!
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