Gultom, Hamonangan, 		Sebayang, Erna, AND 		Manurung, Melda.
" The Effect of Collateral, Debtor Character, Business Conditions and Managerial Ability on Non-Performing Loans At PT BPR Duta Paramarta" <em>Accounting and Business Journal</em> [Online], Volume 6 Number 1 (30 August 2024)