HAJDUK-KASPROWICZ, E.; NIEŻURAWSKI, L. Relationship Ending in the Concept of Customer Relationship Management. Olsztyn Economic Journal, [S. l.], v. 10, n. 2, p. 103–113, 2015. DOI: 10.31648/oej.3138. Disponível em: https://czasopisma.uwm.edu.pl/index.php/oej/article/view/3138. Acesso em: 27 apr. 2024.