LAUKIA, J. Aarno Niini – ammatillisen koulutuksen uudistaja. Journal of Professional and Vocational Education, [S. l.], v. 8, n. 4, p. 40–49, 2022. Disponível em: https://journal.fi/akakk/article/view/114980. Acesso em: 20 may. 2024.