The counter-claim in litigation about international contracts of employment. (Commentary to EUCJ judgment 21 June 2018, case C-1/17, Petronas Lubricants Italy). CUADERNOS DE DERECHO TRANSNACIONAL, [S. l.], v. 11, n. 2, p. 604–615, 2019. DOI: 10.20318/cdt.2019.4980. Disponível em: https://e-revistas.uc3m.es/index.php/CDT/article/view/4980. Acesso em: 5 dec. 2025.