2020, Part of book or chapter of book (Paanakker, H.L.; Masters, A.; Huberts, L.W.J.C. (ed.), Quality of Governance: Values and Violations, pp. 181-213)
2020, Part of book or chapter of book (Loeffler, E.; Bovaird, T. (ed.), The Palgrave Handbook of Co-Production of Public Services and Outcomes, pp. 527-539)
2020, Article / Letter to editor (Annals of Public and Cooperative Economics = Annales de l'Economie Publique, Sociale et Cooperative, vol. 91, iss. 2, (2020), pp. 191-212)