VICTOR, Charles; KAVISHE, Angela Mathias. The Challenges Faced by Trade Unions in Improving Employee Welfare and Strategies to Address Them: A Case of the Tanzania Union of Government and Health Employees (TUGHE) at the National Health Insurance Fund (NHIF). African Journal of Empirical Research, [S. l.], v. 6, n. 1, p. 189–200, 2025. DOI: 10.51867/ajernet.6.1.18. Disponível em: https://ajernet.net/ojs/index.php/ajernet/article/view/949. Acesso em: 12 jun. 2026.