RT Article T1 The business as a victim: the unwilling generator of the informal economy?: the pilot studies JF The informal economy: threat and opportunity in the city SP 231 OP 247 A1 Gill, Martin L. LA English YR 2003 UL https://krimdok.uni-tuebingen.de/Record/1897206321 NO Literaturverzeichnis: Seite 245-247