“Net Profit Margin: Impact of Net Working Capital (NWC) and Debt to Asset Ratio (DAR)” (2024) International Conference on Islamic Economics (ICIE), 1(1), hlm. 576–587. Tersedia pada: https://proceeding.uingusdur.ac.id/index.php/icie/article/view/2590 (Diakses: 24 September 2026).