1. Power of 1.8 billion: adolescents, youth and the transformation of the future. The state of the world’s population. New York: United Nations Population Fund; 2014. Available from: https://www.unfpa.org/sites/default/files/pub-pdf/EN-SWOP14-Report_FINAL-web.pdf [cited 2016 Mar 30].
2. Health for the world’s adolescents: a second chance in the second decade. Geneva: World Health Organization; 2012. Available from: http://apps.who.int/adolescent/second-decade/ [cited 2016 Mar 30].
3. Hidden in plain sight: a statistical analysis of violence against children. New York: United Nations Children's Fund; 2012. Available from: http://www.unicef.org/publications/index_74865.html [cited 2016 Mar 30].
4. Ending child marriage: progress and prospects. New York: United Nations Children's Fund; 2014. Available from: http://www.unicef.org/media/files/Child_Marriage_Report_7_17_LR..pdf[cited 2016 Mar 30].
5. Young people today. Time to act now. Why adolescents and youth need comprehensive sexuality education and sexual reproductive health services in eastern and Southern Africa. Paris: United Nations Educational, Scientific and Cultural Organization; 2013. Available from: http://unesdoc.unesco.org/images/0022/002234/223447E.pdf [cited 2016 Mar 30].