GYLYS, Povilas. Economy, Anti-Economy, Underground Economy: Conceptual and Terminological Problems. Ekonomika, [S. l.], v. 72, p. 27–37, 2005. DOI: 10.15388/Ekon.2005.17531. Disponível em: https://www.journals.vu.lt/ekonomika/article/view/17531.. Acesso em: 8 may. 2024.