Warning: array_flip(): Can only flip STRING and INTEGER values! in Drupal\Core\Entity\EntityStorageBase->loadMultiple() (line 266 of core/lib/Drupal/Core/Entity/EntityStorageBase.php).
Incontro con le classi 5^ M e G del Liceo Scientifico Galileo Galilei "La poesia di De Andrè: ostinata e contraria a stereotipi e pregiudizi"