TY - JOUR T1 - Tackling undeclared work in Europe: Lessons from a 27-nation survey JO - Policy Studies PY - 2009/01/01 AU - Williams CC ED - DO - DOI: 10.1080/01442870902723667 VL - 30 IS - 2 SP - 143 EP - 162 Y2 - 2025/03/13 ER -