RADIONOVA-GIRSA, Elina. Relationship marketing on the internet: building a long-term relationship with customers. International Scientific Conference “Business and Management”, [S. l.], v. 10, p. 1–6, 2018. DOI: 10.3846/bm.2018.35. Disponível em: https://conferences.vilniustech.lt/index.php/BM/article/view/572. Acesso em: 13 sep. 2026.