Gultom, Hamonangan, Erna S. Sebayang, & Melda Br Manurung. " The Effect of Collateral, Debtor Character, Business Conditions and Managerial Ability on Non-Performing Loans At PT BPR Duta Paramarta." Accounting and Business Journal [Online], 6.1 (2024): 1-7. Web. 22 Dec. 2024