Further Reading
- Bales, K., Hesketh, O., and Silverman, B. 2015. Modern slavery in the UK: How many victims? Significance 12(3), 16–21.
- Kangaspunta, K. (ed.). 2015. Special issue: Researching hidden populations: approaches to and methodology for generating data on trafficking in persons, Forum on crime and society (8). New York: United Nations.
- Nationaal Rapporteur Mensenhandel en Sexueel Geweld tegen Kinderen. 2016. Monitor Mensenhandel: cijfers mogelijke slachtoffers, 2011–2015, Den Haag: 30–8-2016 (National Rapporteur on Human Trafficking and Sexual Violence against Children, Monitor Human Trafficking: figures on possible victims, 2011–2015).
- Silverman, B. 2014. Modern slavery: an application of multiple systems estimation. Gov. UK.
- Van Dijk, J. J. M., and van der Heijden, P. G. M. (2016). Research Brief. Multiple Systems Estimation for estimating the number of victims of human trafficking across the world. Vienna, Austria: UNODC. http://bit.ly/2vk7ypg.