id	domain	url
flr-306	doi.org	https://doi.org/10.14786/flr.v5i4.306
flr-306	www.informingscience.org	https://www.informingscience.org/publications/883?search=development%20of%20the%20web%20
flr-306	www.oph.fi	http://www.oph.fi/ops2016
flr-306	timssandpirls.bc.edu	http://timssandpirls.bc.edu/timss2015/international-results
flr-306	www.oecd.org	www.oecd.org/science/sci-tech
flr-306	archive.org	https://archive.org/details/eric_ed338122
flr-306	ec.europa.eu	http://ec.europa.eu/research/swafs/index.cfm?pg=library&lib=science_edu