MUKARROMAH, Faidatul; MAHARDHIKA, Budi Wahyu. Pengaruh Net Profit Margin, Debt To Equity Ratio, dan Current Ratio Terhadap Harga Saham Perusahaan Pertambangan Sektor Batubara . Improvement: Jurnal Manajemen dan Bisnis, [S. l.], v. 3, n. 1, p. 56–68, 2023. DOI: 10.30651/imp.v3i1.22461. Disponível em: https://journal.um-surabaya.ac.id/improvement/article/view/22461. Acesso em: 16 okt. 2026.