[cited October 17, 2011]. . Nazaretyan, A.P. (2007). Violence and Non-Violence at Different Stages of World History: A view from the hypothesis of techno-humanitarian balance. In: History & Mathematics. Moscow: KomKniga/URSS. pp. 127–48. . External links Violence prevention at World Health Organization Violence prevention at Centers for Disease Control and Prevention Violence prevention at American Psychological Association World Report on Violence Against Children at Secretary-General of the United Nations Hidden in Plain Sight: A statistical analysis of violence against children at UNICEF Heat and Violence Social conflict Ethics Crimes Dispute resolution Human behavior Bullying