id	domain	url
ajote-5353	wol.iza.org	http://wol.iza.org/articles/importance-of-informal-learning-at-work
ajote-5353	unevoc.unesco.org	https://unevoc.unesco.org/wtdb/worldtvetdatabase_uga_en.pdf
ajote-5353	www.springer.com	http://www.springer.com/education+&+language/book/978-1-4020-5280-4
ajote-5353	www.springer.com	http://www.springer.com/education+&+language/book/978-1-4020-5280-4