FELIX, D. E. CHALLENGES OF ACQUISITION AND RETENTION OF CUSTOMERS IN A COMPETITIVE MARKET. INTERNATIONAL JOURNAL OF MANAGEMENT & INFORMATION TECHNOLOGY, [S. l.], v. 10, n. 8, p. 2372–2380, 2015. DOI: 10.24297/ijmit.v10i8.585. Disponível em: https://rajpub.com/index.php/ijmit/article/view/585ijmit. Acesso em: 19 may. 2024.