KARN, J.; NINAN, J.; GHEORGHE, M. Team-client relationships and extreme programming. Human Technology, [S. l.], v. 4, n. 2, p. 186–208, 2008. DOI: 10.17011/ht/urn.200810245836. Disponível em: https://ht.csr-pub.eu/index.php/ht/article/view/76. Acesso em: 5 jun. 2026.