SETURI, M. THE ROLE AND IMPORTANCE OF SALES AND SALES PROMOTION IN THE DEVELOPMENT OF CUSTOMER RELATIONS. European Cooperation, [S. l.], v. 2, n. 54, p. 63–71, 2022. DOI: 10.32070/ec.v2i54.139. Disponível em: https://european-cooperation.eu/index.php/EC/article/view/139. Acesso em: 27 jan. 2023.