AMANFO, Smart Edward. Total Factor Productivity Growth of Ghanaian Electricity Distribution Utilities Using Data Envelopment Analysis and Malmquist Index (2000–2020). Journal of Economics, Finance and Accounting Studies , [S. l.], v. 3, n. 2, p. 233–248, 2021. DOI: 10.32996/jefas.2021.3.2.23. Disponível em: https://al-kindipublishers.org/index.php/jefas/article/view/2559. Acesso em: 7 aug. 2025.