Taofiqurrochman, Cecep, Puji Rahayu, and Ligardi Purnama Hasyim. 2026. “The Effect of Non-Performing Loans (NPL) and Operational Costs to Operating Income (BOPO) on Core Capital With Return on Assets (ROA) As a Mediating Variable in Rural Banks (BPR) in the East Bekasi Region for the Period of 2019-2024”. Eduvest - Journal of Universal Studies 6 (2):1787-1807. https://doi.org/10.59188/eduvest.v6i2.52846.