1. PIAAC: kernvaardigheden voor werken en leren, resultaten nederlandse survey 2012;Buisman,2013
2. Literacy in everyday life: results from the 2003 national assessment of adult literacy;Kutner,2007
3. OECD: skills outlook 2013: first results from the survey of adult skills;OECD,2013
4. Health literacy: a review;Andrus;Pharmacotherapy,2002
5. Health literacy: a prescription to end confusion;Nielsen-Bohlman,2004