The effects of the provision of services by the beneficiary of a total permanent invalidity pension. Update of the basis for calculation (Supreme Court Judgement 25 April 2018 "Rcud 2322 / 2016"). (2018). Revista de Derecho de la Seguridad Social, Laborum, 16, 199-212. https://revista.laborum.es/index.php/revsegsoc/article/view/308