1. Measuring Violence against Children: Inventory and assessment of quantitative studies;Child Protection Monitoring and Evaluation Reference Group,2014
2. Demographic and Health Surveys, https://dhsprogram.com/.
3. Global School-based Student Health Surveys, http://www.cdc.gov/GSHS/.
4. Health Behaviour in School-aged Children Study, http://www.hbsc.org.
5. Multiple Indicator Cluster Surveys, http://mics.unicef.org.