NIKODEMSKA-WOŁOWIK, Anna Maria; BUGIERA, Konrad. A Concept of a Shared Guarantee Trademark in Polish Family Enterprises. DEMO, Poland, v. 5, n. 1, p. 45–62, 2017. DOI: 10.18559/SOEP.2017.1.3. Disponível em: https://ojs34.fimagis.pl/index.php/demo/article/view/960. Acesso em: 18 apr. 2026.