id	domain	url
flr-301	doi.org	https://doi.org/10.14786/flr.v5i4.301
flr-301	www.japantimes.co.jp	http://www.japantimes.co.jp/news/2016/12/06/national/japans-15-year-olds-performwell-pisa-global-academic-survey
flr-301	www.ef.co.uk	http://www.ef.co.uk/epi/regions/asia/japan
flr-301	doi.org	http://doi.org/10.1016/j.edurev.2015.11.002
flr-301	www.stat.go.jp	http://www.stat.go.jp/english/data/nenkan/index.htm
flr-301	www.mext.go.jp	http://www.mext.go.jp/b_menu/shingi/chukyo/chukyo3/058/siryo/__icsfiles/afieldfile/2016/09/14/137