EDI FAISAL HARAHAP. ANALYSIS OF THE EFFECTIVENESS OF IMPLEMENTING THE FOUR EYES PRINCIPLE TO CONTROL NPF IN ISLAMIC BANKS: LITERATURE REVIEW. International Journal of Educational Review, Law And Social Sciences (IJERLAS), [S. l.], v. 5, n. 1, p. 189–198, 2025. DOI: 10.54443/ijerlas.v5i1.2377. Disponível em: https://radjapublika.com/index.php/IJERLAS/article/view/2377. Acesso em: 25 jun. 2026.