“Increasing the Contribution Base to the Special Scheme for Self‑employed Workers at a Time Immediately Prior to the Event Giving Rise to Higher Pregnancy Benefits: ‘fraud and Punishment’”. Revista de Derecho de la Seguridad Social, Laborum, no. 33, Dec. 2022, pp. 125-34, https://revista.laborum.es/index.php/revsegsoc/article/view/650.