Izvor: 

https://www.facebook.com/CARNET.hr/ , 18.3.2020.

https://www.carnet.hr/wp-content/uploads/2020/yis/index.html?fbclid=IwAR0vaulzBL5PeL6zcE8wcwtjxKh-Y4EvV80HigrgDYzQSM6D--2ozlqwcAs, 18.3.2020.