«Contingent Work Is Not Contingent. Which Models of Regulation for the New Forms of Work?». SPANISH LABOUR LAW AND EMPLOYMENT RELATIONS JOURNAL 7, no. 1-2 (octubre 30, 2018): 4–16. Accedido diciembre 5, 2025. https://e-revistas.uc3m.es/index.php/SLLERJ/article/view/4432.