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"Gareth Evans&amp;#x3a; Why inernational &amp;#x27;Pisa&amp;#x27; survey is still a big draw for Welsh education - Gareth Evans - Wales Online"^^<http://www.w3.org/2001/XMLSchema#string>
<http://www.walesonline.co.uk/news/news-opinion/gareth-evans-inernational-pisa-survey-7267134>