Lahn, Leif Christian, and Hæge Nore. “Large Scale Studies of Holistic Professional Competence in Vocational Education and Training (VET). The Case of Norway”. International Journal for Research in Vocational Education and Training 6, no. 2 (August 29, 2019): 132-152. Accessed September 18, 2019. https://journals.sub.uni-hamburg.de/hup2/ijrvet/article/view/347.