Equally prepared for life? how 15-year-old boys and girls perform in school.

Wedi'i Gadw mewn:
Manylion Llyfryddiaeth
Awduron Corfforaethol: Programme for International Student Assessment, Organisation for Economic Co-operation and Development, ProQuest (Firm)
Fformat: Electronig eLyfr
Iaith:Saesneg
Cyhoeddwyd: Paris : OECD, 2009.
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