id	domain	url
cet-10849	www.cetjournal.it	www.cetjournal.it
cet-10849	repository.up.ac.za	https://repository.up.ac.za/bitstream/handle/2263/28130/dissertation.pdf%3bsequence%3d1%ved=2ahu
cet-10849	www.who.int	www.who.int/water_sanitation_health/publications/arsenic/en/