García Murcia, J.; Castro Argüelles, M. A.; Escribano Gutiérrez, J.; Llano Sánchez, M.; De Nieves Nieto, N.; Rodríguez Cardo, I. A. The Court of Justice of the European Union Case Law in Labour and Social Affairs. From Concept of Worker to Exercise of Collective Action Rights. Rev. chil. derecho trab. segur. soc. 2017, 8, 115-141.