id	domain	url
escjerps-2119	linkresearchlab.org	http://linkresearchlab.org/preparingdigitaluniversity.pdf
escjerps-2119	en.wikipedia.org	https://en.wikipedia.org/wiki/doi_(identifier
escjerps-2119	doi.org	https://doi.org/10.1016%2fj.iheduc.2012.09.003
escjerps-2119	en.wikipedia.org	https://en.wikipedia.org/wiki/issn_(identifier
escjerps-2119	www.worldcat.org	https://www.worldcat.org/issn/1096-7516
escjerps-2119	www.normfriesen.info	https://www.normfriesen.info/papers/defining_blended_learning_nf.pdf