RISKIYANTI, Alfiyani Riski; RISMANTY, Vidya Amalia. Pengaruh Debt to Equity Ratio (Der) dan Earning Per Share (Eps) terhadap Return on Asset (Roa) pada PT Kalbe Farma Tbk Periode 2012-2023. Jurnal Ilmiah PERKUSI, [S. l.], v. 5, n. 2, p. 401–411, 2025. DOI: 10.32493/j.perkusi.v5i2.48510. Disponível em: https://openjournal.unpam.ac.id/index.php/JIPER/article/view/48510. Acesso em: 6 feb. 2026.