HERMAWAN, M. D. A. Pengaruh Return On Equity, Dept To Equity Ratio Terhadap Nett Profit Margin (Studi Kasus Pt Air Asia Tbk Tahun 2018-2022). Surplus: Jurnal Ekonomi dan Bisnis, [S. l.], v. 1, n. 2, p. 182–187, 2023. DOI: 10.71456/sur.v1i2.426. Disponível em: https://yptb.org/index.php/sur/article/view/426. Acesso em: 10 feb. 2026.