TY - JOUR T1 - The undeclared sector, self-employment and public policy JO - International Journal of Entrepreneurial Behaviour & Research PY - 2005/01/01 AU - Williams CC ED - DO - DOI: 10.1108/13552550510603289 VL - 11 IS - 4 SP - 244 EP - 257 Y2 - 2025/05/25 ER -