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..