UTAMI. Workforce Mental Health Dynamics in the Formal Sector: A Correlative Study of Regional Minimum Wage (UMR) and the Happiness Index on National Productivity. Public Research on Outreach, Motivation, and Knowledge for Education in Society, [S. l.], v. 1, n. 1, p. 10–18, 2026. DOI: 10.69855/promkes.v1i1.454. Disponível em: https://gpijournal.com/index.php/promkes/article/view/454. Acesso em: 27 jul. 2026.