JASILIONIENĖ, Regina; TAMOŠIŪNIENĖ, Rima. Evaluation of customer relationship system efficiency: Applying of total cost of ownership approach. Journal of Business Economics and Management, [S. l.], v. 10, n. 4, p. 343–347, 2009. DOI: 10.3846/1611-1699.2009.10.343-347. Disponível em: https://journals.vilniustech.lt/index.php/JBEM/article/view/6246. Acesso em: 27 may. 2025.