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Leonardsen, J. K. One Size Fits Nobody: En Casestudie Av yrkesfaglæreres Deltakelse I Kompetanse-Utviklingsarbeid I videregående Skole : [One Size Fits Nobody: A Case Study of Vocational Education and Training teachers’ Participation in Professional Development Pro-Jects in Upper Secondary School]. NJVET 2021, 11, 1-24.