NOKELAINEN, P. Ammattikasvatuksen aikakauskirja 25 vuotta: Professori emeritus Pekka Ruohotien haastattelu. Journal of Professional and Vocational Education, [S. l.], v. 25, n. 4, p. 80–85, 2023. DOI: 10.54329/akakk.142043. Disponível em: https://journal.fi/akakk/article/view/142043. Acesso em: 20 may. 2024.