SIBARANI, Realdi; DEWI, Sucitra. Pengaruh Tingkat Suku Bunga dan Cost Efficiency Ratio terhadap Net Profit Margin pada Perusahaan Perbankan yang Terdaftar di Bursa Efek Indonesia Periode 2023–2025. RIGGS: Journal of Artificial Intelligence and Digital Business, [S. l.], v. 5, n. 2, p. 23412–23419, 2026. DOI: 10.31004/riggs.v5i2.12358. Disponível em: https://journal.ilmudata.co.id/index.php/RIGGS/article/view/12358. Acesso em: 29 oct. 2026.