The link you followed will bring you to this page:

https://www.regione.sardegna.it/atti-bandi-archivi/atti-amministrativi/concorsi-e-selezioni/176717007338477?fbclid=IwY2xjawPLK7VleHRuA2FlbQIxMABicmlkETFtY05BOFU5YmQ0YXpxb0pyc3J0YwZhcHBfaWQQMjIyMDM5MTc4ODIwMDg5MgABHmtrJscv68pjPuo5lIKr-XKIXct-S6RAfSMFwqokN4DVai0Yq_vL0YViEA4E_aem_lDRLwe6tgfqVutCebSTYWQ