@techreport{International Labour Organization and European Commission2009,
author = {International Labour Organization and European Commission},
title= {Operational indicators of trafficking in human beings. Results from a Delphi survey implemented by the ILO and the European Commission},
year = {2009},
URL = {https://www.ilo.org/wcmsp5/groups/public/---ed_norm/---declaration/documents/publication/wcms_105023.pdf},
}