Originalversjon
Bailey, R., Willner, P. & Dymond, S. (2011). A visual aid to decision-making for people with intellectual disabilities. Research in Developmental Disabilities, 32(1), 37–46.
https://doi.org/10.1016/j.ridd.2010.08.008
Utgiver
Research in Developmental Disabilities
Tidsskrift
Research in Developmental Disabilities