id	domain	url
esrj-68320	dx.doi.org	http://dx.doi.org/10.15446/esrj.v22n2.68320
esrj-68320	dx.doi.org	http://dx.doi.org/10.15446/esrj.v22n2.68320
esrj-68320	www.anh.gov.co	http://www.anh.gov.co/informacion
esrj-68320	doi.org	https://doi.org/10.1016/s0895-9811(02)00063-9