“Forced labour, servitude and slavery in Europe according to the productive sectors: critical analysis of the scope of the case law of article 4 of the European Convention on Human Rights” (2017) UNIVERSITAS. Revista de Filosofía, Derecho y Política, (25), pp. 90–138. Available at: https://e-revistas.uc3m.es/index.php/UNIV/article/view/3558 (Accessed: 5 December 2025).