id	domain	url
cet-12841	www.cetjournal.it	www.cetjournal.it
cet-12841	www.sciencedirect.com	https://www.sciencedirect.com/topics/chemical-engineering/cellulose
cet-12841	www.sciencedirect.com	https://www.sciencedirect.com/topics/chemical-engineering/charcoal