Umiyati, Umiyati, Ayudia Salsabilah, Nadia Widyastuti, and Radhina Dwinta Nada. 2026. “Analisis Kinerja Keuangan: Studi Multi-Metode (RGEC, Z-Score, DEA, Altman, Dan Zmijewski) Pada PT. Bank BJB Syariah Periode 2020–2024”. RIGGS: Journal of Artificial Intelligence and Digital Business 4 (4):8064-81. https://doi.org/10.31004/riggs.v4i4.4873.