@article{article, title = {{Tackling Undeclared Work in Bulgaria: Knowledge-Informed Policy Responses}}, publisher = {{Elsevier BV}}, url = {{http://eprints.whiterose.ac.uk/129195/ }}, year = {{2017}}, month = {{1}}, author = {{Stefanov R and Williams CC and Rodgers P}}, doi = {{10.2139/ssrn.3026332}}, journal = {{SSRN Electronic Journal}}, note = {{Accessed on 2025/04/11}}}