@book{O.E.C.D.2017,
author = {O.E.C.D.},
title= {Starting Strong 2017: Key OECD Indicators on Early Childhood Education and Care},
year = {2017},
doi = {10.1787/9789264276116-en},
URL = {https://doi.org/10.1787/9789264276116-en},
address = {Paris},
publisher = {OECD Publishing},
}