id	domain	url
flr-437	www.statmodel.com	https://www.statmodel.com/download/surveycomp21.pdf
flr-437	dx.doi.org	http://dx.doi.org/10.18637/jss.v048.i04
flr-437	ec.europa.eu	https://ec.europa.eu/jrc/en/digcomp/digital-competence-framework
flr-437	www.r-project.org	https://www.r-project.org/
flr-437	osf.io	https://osf.io/2hk3y