Rocco Molinari Rocco Molinari Livia Elisa Ortensi Livia Elisa Ortensi University of Krems Press 2025 Textbox as taken from: Molinari, R., and Ortensi, L. E. (2025). Surveying irregular migrants: Challenges and approaches. In D. Kierans and A. Kraler (eds), Handbook on Irregular Migration Data. Concepts, Methods and Practices. Krems: University of Krems Press. https://doi.org/10.48341/g31s-vq79-10 PDFDocument eng 2025-10-01T09:49:12.870816Z 2025-09-30 Sampling methods Centre Sampling Technique Italy 873502 b application/pdf http://creativecommons.org/licenses/by-nc/4.0/