PISA 2006: ensituloksia - Opetusministeriö
PISA 2006: ensituloksia - Opetusministeriö
PISA 2006: ensituloksia - Opetusministeriö
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S U O M A L A I STE N N U O RTE N O S A A M I N E N O N M A A I L M A N H U I P P U A<br />
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