http://libguides.lub.lu.se/c.php?g=297505&p=1984175
http://linguistics.byu.edu/faculty/henrichsen/APA/APA06.html
https://www.teachingenglish.org.uk/article/clil-a-lesson-framework
https://www.teachingenglish.org.uk/article/clil-%E2%80%93-how-do-it
http://www.onestopenglish.com/clil/what-is-clil/
http://www.onestopenglish.com/clil/methodology/articles/article-what-is-clil/500453.article
https://www.universidadviu.es/
https://www.youtube.com/watch?v=OL5Cqi35dZk
https://vk.com/wall-105912285_737