Di Bernardo, Gian Antonio, Vezzali, Loris, Birtel, Michèle D. ORCID: https://orcid.org/0000-0002-2383-9197, Stathi, Sofia ORCID: https://orcid.org/0000-0002-1218-5239, Ferrari, Barbara, Giovannini, Dino and Pettigrew, Thomas F. (2021) The role of optimal conditions and intergroup contact in promoting positive intergroup relations in and out of the workplace: A study with ethnic majority and minority workers. Group Processes & Intergroup Relations, 25 (6). pp. 1516-1533. ISSN 1368-4302 (Print), 1461-7188 (Online) (doi:10.1177/13684302211010929)