W. KOZINA, Andrzej. Managerial roles and functions in negotiation process. Business, Management and Economics Engineering, [S. l.], v. 12, n. 1, p. 94–108, 2014. DOI: 10.3846/bme.2014.07. Disponível em: https://journals.vilniustech.lt/index.php/BMEE/article/view/3488. Acesso em: 1 jun. 2025.