The Contribution of Regular Transportation Services, Government Subsidies, and the Optimization of Leverage and Liquidity in Enhancing Profitability for the Sustainability of Perum Damri. Asian Journal of Social and Humanities, [S. l.], v. 4, n. 9, p. 4442–4448, 2026. DOI: 10.59888/ajosh.v4i9.729. Disponível em: https://ajosh.org/jsh/article/view/729. Acesso em: 17 jun. 2026.