https://www.etwinning.net/en/pub/support/esafety-and-etwinning.htm
https://www.etwinning.net/en/pub/support/esafety-and-etwinning/b-trendsissuespolicies-an.htm
https://www.etwinning.net/en/pub/support/esafety-and-etwinning/b-trendsissuespolicies-and-.htm
https://www.etwinning.net/en/pub/support/esafety-and-etwinning/a-esafety-in-etwinning-and-th.htm
https://www.saferinternetday.org/
http://www.webwewant.eu/documents/10180/18685/chapter-1-with-watermark.pdf/88143bd5-6ac8-43ae-88bf-cd532e2523cb