@techreport{Ikeda2011,
author = {Ikeda, M.},
title= {When students repeat grades or are transferred out of school: What does it mean for education systems?},
year = {2011},
URL = {https://www.oecd.org/pisa/pisaproducts/pisainfocus/48363440.pdf},
publisher = {OECD},
institution = {6. PISA in Focus},
}