Beyond health literacyTommi Hoikkala, Pekka Hakkarainen, Sofia Laine · First published 2005Open the Tome
Veisuin ylistäkääHilkka Seppälä, Jarmo Hakkarainen, Ville Kiiveri, Pekka Metso · First published 2003Open the Tome
Epistemology of scientific inquiry and computer-supported collaborative learningKai Pekka Juhani Hakkarainen · First published 1998Open the Tome
Discussing drugs and control policyPekka Hakkarainen, Lau Laurse, Christoffer Tigerstedt, Lau Laursen, Nordiska nämnden för alkohol- och drogforskning · First published 1996Open the Tome
Turun yliopiston Psykologian laitoksen historia, 1922-1972Pekka Hakkarainen · First published 1984Open the Tome
