BURDA, Andrzej; HIPPE, Zdzisław. Uncertain Data Modeling: the Case of Small and Medium Enterprises. Regional Barometer. Analyses & Prognoses, [S. l.], n. 3 (21), p. 21–26, 2010. DOI: 10.56583/br.1363. Disponível em: https://czaz.akademiazamojska.edu.pl/index.php/br/article/view/1363. Acesso em: 22 jul. 2025.