SIBARANI, Y. M.; IMROH, T. S. Billing Risk Handling Based on Economic Learning Material Development Model Using FMEA and RCA Methods. Scaffolding: Jurnal Pendidikan Islam dan Multikulturalisme, [S. l.], v. 5, n. 1, p. 224–233, 2023. DOI: 10.37680/scaffolding.v5i1.2365. Disponível em: https://ejournal.insuriponorogo.ac.id/index.php/scaffolding/article/view/2365. Acesso em: 7 jul. 2025.