1. Björklund, E. (2008). Att erövra litteracitet. Små barns kommunikativa möten med berättande, bilder, text och tecken i förskolan [To attain literacy. Young children’s communicative meetings with story-telling, pictures. texts and signs in preschool] (Dissertation). Göteborg University, Sweden.
2. Brodin, J. (1991). Att tolka barns signaler. Gravt utvecklingsstörda flerhandikappade barns lek och kommunikation [To interpret children’s signals. Play and communication in children with profound and multiple disabilities] (Dissertation). Stockholm University, Department of education.
3. Preschool teachers' understanding of quality in preschool: a comparative study in three European countries