“Denial of Bonuses in Cleaning Contracts After the Transferring of Employees by Collective Agreement (Judgment of the Supreme Court (Contentious-Administrative) of 14th November 2017)”. Revista de Derecho de la Seguridad Social, Laborum, no. 15, June 2018, pp. 145-60, https://revista.laborum.es/index.php/revsegsoc/article/view/287.