Apriyanti, et al. “Pengaruh Loan to Deposit Ratio (LDR) Dan Non Performing Loan (NPL) Terhadap Return On Assets (ROA) Pada PT Bank Mandiri Tahun 2014-2023”. Prosiding Seminar Nasional Manajemen, vol. 2, no. 2, Aug. 2023, pp. 502-14, https://openjournal.unpam.ac.id/index.php/PSM/article/view/45591.