
http://www.europarl.europa.eu/cmsdata/136000/Report_Joint%20LIBE-PANA%20Mission%20to%20Malta.pdf

https://lawliberty.org/grievance-based-policy-analysis/

https://openknowledge.worldbank.org/bitstream/handle/10986/38045/9781464819025.pdf?sequence=5&isAllowed=y