1. What is ESD?https://en.unesco.org/themes/education-sustainable-development/what-is-esd
2. UNESCOhttp://unesdoc.unesco.org/images/0015/001540/154093e.pdf
3. Comparing Pedagogical Innovations;Law,2007
4. Andel (%) Studerande i Befolkningen 16–64 år höstterminen 2016. [Proportion (%) of Students in the Population Aged 16–64 Autumn 2015]https://www.scb.se/hitta-statistik/statistik-efter-amne/utbildning-och-forskning/befolkningens-utbildning/befolkningens-studiedeltagande/pong/tabell-och-diagram/andel--studerande-i-befolkningen-1664-ar-hostterminen/
5. Education Reform and Social Class in Japan: The Emerging Incentive Divide;Kariya,2013