The link you followed will bring you to this page:

https://www.regione.sardegna.it/atti-bandi-archivi/atti-amministrativi/bandi/175266393424196?fbclid=IwY2xjawM_REpleHRuA2FlbQIxMABicmlkETBOU1g5R3BGandjUHo4MlFGAR7vXO0Pmo0CY8uC2dghSw5be4vi-GDT23trcWWItfscwtj6aQAyu1WXwE6v4A_aem_1zjMbpDSnUQCEHnf1ac9dA