OECD (2011), "When Students Repeat Grades or Are Transferred Out of School: What Does it Mean for Education Systems?", PISA in Focus, No. 6, OECD Publishing, Paris, https://doi.org/10.1787/5k9h362n5z45-en.

Export options: EndNote, Zotero, BibTeX, RefWorks, Procite, Import into RefWorks, Mendeley