Baumeler, Carmen, Sonja Engelage, and Alexandra Strebel. “The Dilemmas of Flexibilisation of Vocational Education and Training: A Case Study of the Piano Makers”. International Journal for Research in Vocational Education and Training 8, no. 1 (April 22, 2021): 115-135. Accessed May 12, 2021. https://journals.sub.uni-hamburg.de/hup2/ijrvet/article/view/498.