1. NSPCC: What children are telling us about bullying: childline bullying report 2015/16. London: NSPCC (2016).
https://learning.nspcc.org.uk/media/1204/what-children-are-telling-us-about-bullying-childline-bullying-report-2015-16.pdf
2. Hinduja, S., Patchin, J. W.: Cyberbullying fact sheet: identification, prevention, and response. Cyberbullying Research Center (2019).
https://cyberbullying.org/Cyberbullying-Identification-Prevention-Response-2019.pdf
3. Anderson, M., Jiang, J.: Teens, Social Media & Technology 2018. Pew Research Center, 31 (2018).
http://www.pewinternet.org/2018/05/31/teens-social-media-technology-2018/
4. Hosseinmardi, H., Mattson, S.A., Rafiq, R.I., Han, R., Lv, Q., Mishra, S.: Detection of cyberbullying incidents on the instagram social network. Association for the Advancement of Artificial Intelligence (2015)
5. Van Hee, C., Jacobs, G., Emmery, C., Desmet, B., Lefever, E., Verhoeven, B., et al.: Automatic detection of cyberbullying in social media text. PLoS ONE 13, 10 (2018)