TURGUT, Mehmet Burak; TRATKIEWICZ, Tomasz. Estimate of the Underground Economy in Poland Based on Household Expenditures and Incomes. Central European Journal of Economic Modelling and Econometrics, [S. l.], v. 15, n. 1, p. 1–29, 2022. DOI: 10.24425/cejeme.2023.144997. Disponível em: https://wydawnictwo.pan.pl/index.php/cejeme/article/view/69. Acesso em: 27 feb. 2026.