BORISOV, Peter; RADEV, Teodor. Analysis of some determinants of market power of wineries from South Bulgaria. Bulgarian Journal of Agricultural Economics and Management, Sofia, BG, v. 57, n. 1, p. 30–36, 2012. Disponível em: https://agriacad.eu/ojs/index.php/bjaem/article/view/4570.. Acesso em: 21 oct. 2026.