YUDANEGARA , A. . Customer voluntary performance: consumers as company partners in delivering services. Jurnal Mantik, [S. l.], v. 7, n. 3, p. 2755-2764, 2023. DOI: 10.35335/mantik.v7i3.4378. Disponível em: https://iocscience.org/ejournal/index.php/mantik/article/view/4378. Acesso em: 20 apr. 2026.