@article{article, title  = {{Designing Focus Groups and Experiments to Evaluate Policy Approaches and Measures for Tackling Undeclared Work}},

 publisher = {{Elsevier BV}},

 url = {{}},

 year = {{2015}},

 month = {{2}},

 author = {{Polak M and Mishkov L and Williams C}},

 doi = {{10.2139/ssrn.2565389}},

 journal = {{SSRN Electronic Journal}},

 note = {{Accessed on 2024/10/23}}}