id	domain	url
flr-613	doi.org	https://doi.org/10.14786/flr.v8i6.613
flr-613	mc-stan.org	https://mc-stan.org/misc/warnings.html)
flr-613	doi.org	https://doi.org/10.1016/j.ijer.2016.02.007
flr-613	doi.org	https://doi.org/10.1016/j.lindif.2013.09.007
flr-613	doi.org	https://doi.org/10.1016/j.lindif.2015.01.014
flr-613	doi.org	https://doi.org/10.1016/j.tsc.2012.05.006
flr-613	doi.org	https://doi.org/10.1016/j.ijer.2014.05.001
flr-613	doi.org	https://doi.org/10.1016/j.learninstruc.2017.07.007