EHRAMI, Hossein; PASBAN, Mohammad; RAMAZANI, Mojtaba. Designing a Model for Improving Human Resource Productivity in the Tax Administration Using a System Dynamics Approach: A Case Study of East Azerbaijan Province. Journal of Management and Business Solutions, [S. l.], v. 4, n. 3, p. 1–22, 2026. Disponível em: https://journalmbs.com/index.php/jmbs/article/view/432.. Acesso em: 5 sep. 2026.