BARTKOWIAK , Paweł. New Challenges in Creating Value for Customers - the Value Co-Creation Process from the Customer Perspective. Studia Oeconomica Posnaniensia, Poznan, Polska, v. 2, n. 11, p. 197–212, 2014. DOI: 10.18559/gsec1691. Disponível em: https://journals.ue.poznan.pl/soep/article/view/3676. Acesso em: 3 sep. 2026.