Ursula Holtgrewe, Wolfgang Haider, Nela Šalamon, Monique Ramioul, Yennef Vereycken (HIVA KU Leuven) (2018). Shaping industrial relations in a digitalising services industry: regional report for Continental Europe.
Ursula Holtgrewe, Jeremy Millard (2018). Social Innovation Addressing Societal Needs and Challenges .
Ursula Holtgrewe, Wolfgang Haider, Nela Šalamon (2018). Service markets, service labour markets and company strategies in Europe. The research report..