Patricia Bianca Sulaiman, Hamfri Djajadikerta, and Amelia Setiawan, “Pengaruh Debt to Equity Ratio dan Net Profit Margin terhadap Return on Asset PT Unilever Indonesia Tbk Periode 2018Q1 Hingga 2025Q4”, PAJAMKEU, vol. 3, no. 5, pp. 113–124, Oct. 2026.