http://www.loc.gov/mods/v3 http://www.loc.gov/standards/mods/v3/mods-3-2.xsd
Organisation for Economic Co-operation and Development
1 online resource (532 pages) : illustrations, graphs
Includes bibliographical references at the end of each chapters.
Programme for International Student Assessment.
Resultats du PISA 2012. Engagement, motivation et image de soi. Volume III