VALKAUSKAS, Romualdas. The Comparison and the Presentation of Data in the Economical Statistics. Ekonomika, [S. l.], v. 58, p. 154–163, 2002. DOI: 10.15388/Ekon.2002.16997. Disponível em: https://www.zurnalai.vu.lt/ekonomika/article/view/16997. Acesso em: 20 apr. 2025.