Westat Inc. / Elsevier Science Ltd. / Sainsbury / /
Country
Norway / Belgium / Russia / United States / Netherlands / Canada / Moldova / Bulgaria / United Kingdom / Georgia / Lithuania / Israel / Scotland / Kuwait / Spain / South Africa / Denmark / /
Facility
UNESCO Institute / Boston College / /
IndustryTerm
education systems / within-school sampling software / school systems / /
Organization
Boston College / IEA Secretariat / PIRLS International Study Center / IEA Data Processing and Research Center / UNESCO Institute for Statistics / United Nations Educational Scientific and Cultural Organization / /