1. Yusuf, S., Hassan, M. S. H., & Ibrahim, A. M. M. (2018). Cyberbullying among Malaysian Children Based on Research Evidence. Encyclopedia of Information Science and Technology, IGI Global, Fourth Edt, 1704–1722.
2. Kansara, K.B. and N.M. Shekokar, 2015. A Framework for Cyberbullying Detection in Social Network.
3. Predicting adolescent's cyberbullying behavior: A longitudinal risk analysis
4. Rolfy Nixon Montufar Mercado, Hernan Faustino Chacca Chuctaya, Eveling Gloria Castro Gutierrez National University of San Agustin CiTeSoft Arequipa-Peru Automatic Cyberbullying Detection in Spanish-language Social Networks using Sentiment Analysis Techniques (2018)
5. Bing Liu, “Sentiment Analysis and Opinion Mining”, Morgan and Claypool Publishers, May 2012.p.18-19,27-28,44-45,47,90-101.