POCIUS, Arūnas. Evaluation of the Shadow Economy and Informal Employment Trends in Lithuania. Lithuanian Journal of Statistics, [S. l.], v. 54, n. 1, p. 18–32, 2019. DOI: 10.15388/LJS.2015.13877. Disponível em: https://www.journals.vu.lt/statisticsjournal/article/view/13877.. Acesso em: 28 apr. 2024.