MELANIE, M.; FEBRIYANTI, D. Influence Net Profit Margin, Debt to Equity Ratio, Return on Assets and Current Ratio Against Effective Tax Rate: (In Sub Sector Companies Coal Mining Companies Listed on the Indonesia Stock Exchange 2016-2023). International Journal of Community Service & Engagement, [S. l.], v. 6, n. 1, p. 24 - 47, 2025. DOI: 10.47747/ijcse.v6i1.2645. Disponível em: https://www.journal.jis-institute.org/index.php/ijcse/article/view/2645. Acesso em: 9 oct. 2026.