Menzies Munthe-Kaas, Heather and Berg, Rigmor C and Blaasvær, Nora (2018) Effectiveness of interventions to reduce homelessness: a systematic review and meta-analysis. Campbell Systematic Reviews, 14, (1), pp. 1-281. DOI: 0.4073/csr.2018.3.

Smedslund, Geir and Berg, Rigmor C and Hammerstrøm, Karianne T and Steiro, Asbjørn and Leiknes, Kari Ann and Dahl, Helene Marie and Karlsen, Kjetil (2011) Motivational interviewing for substance abuse. Cochrane Database of Systematic Reviews, (5), Art. No.: CD008063. DOI: 10.1002/14651858.CD008063.pub2.