MIHM, B. Outsourcing Customer Service: Applying The Value Chain As A Method To Improve Service At Call Centers. Review of Business Information Systems (RBIS), [S. l.], v. 12, n. 2, p. 41–50, 2008. DOI: 10.19030/rbis.v12i2.4388. Disponível em: https://clutejournals.com/index.php/RBIS/article/view/4388. Acesso em: 18 jul. 2024.