PELECKIS, Kestutis. Negotiations structures and principles. Kwartalnik Nauk o Przedsiębiorstwie, [S. l.], v. 28, n. 3, p. 43–52, 2013. Disponível em: https://econjournals.sgh.waw.pl/KNoP/article/view/2177. Acesso em: 6 kwi. 2025.