Cooperation and Conflict the Nordic Way Fredrik Engelstad og Anniken Hagelund (red) DE GRUYTER OPEN ISBN 978-3-11-043689-1
Nyen, T. & Tønder, A. H. (2015). Cooperation and Reform in Vocational Education and Training. I F. Engelstad & A. Hagelund (red.), Cooperation and Conflict the Nordic Way (s. 201-218). Berlin: De Gruyter Open.
