http://www.loc.gov/mods/v3 http://www.loc.gov/standards/mods/v3/mods-3-2.xsd
Educational policy and international assessment
implications of the IEA surveys of achievement
edited by Alan C. Purves and Daniel U. Levine.
Papers presented at a conference held at the Harvard Graduate School of Education, Nov. 1973.
International Association for the Evaluation of Educational Achievement.
Series on contemporary educational issues