Koski-Heikkinen, A., K. Määttä, and S. Uusiautti. “‘Professional, Approachable, and fair’ – Students’ Perceptions of the Vocational Education teacher’s Authority”. Journal of Human Sciences, vol. 11, no. 2, Aug. 2014, pp. 446-63, https://www.j-humansciences.com/ojs/index.php/IJHS/article/view/2927.