KOZAK, Sylwester. Changes of strategies of distribution management in the insurance sector in Poland and the European Union countries in years 2002–2008. Zeszyty Naukowe SGGW - Ekonomika i Organizacja Gospodarki Żywnościowej, Warszawa, Polska., n. 91, p. 85–96, 2011. DOI: 10.22630/EIOGZ.2011.91.73. Disponível em: https://eiogz.sggw.edu.pl/article/view/7839. Acesso em: 13 nov. 2026.