@inbook{inbook, title = {{Potential effects of national policies on the informal economy}}, publisher = {{The Hague: Boom Publishers}}, url = {{}}, year = {{2009}}, month = {{1}}, author = {{Shapland JM and Ponsaers P}}, isbn = {{9789089741646}}, pages = {{1-22}}, note = {{Accessed on 2025/05/07}}}