Firmansyah, M. A., and A. Kusnadar. “The Impact of Banking Digitalization on Operational Efficiency and Its Implications for Profitability: A Case Study of Bank Bjb’s Garut Branch”. JURNAL ECONOMINA, vol. 5, no. 9, Sept. 2026, pp. 7169-76, doi:10.55681/economina.v5i9.4333.