GINEVIČIUS, Romualdas; PETRAŠKEVIČIUS, Vladislavas. Some problems of determining diversification level of enterprise activities. Business: Theory and Practice, [S. l.], v. 9, n. 3, p. 215–220, 2008. DOI: 10.3846/1648-0627.2008.9.215-220. Disponível em: https://journals.vilniustech.lt/index.php/BTP/article/view/9136. Acesso em: 9 may. 2025.