Subiyanto, H. ., Damiri, J. ., & Wardini, A. K. . (2021). Analysis Effect of BI Rate, Inflation, GRDP, Export Growth and Non-Performing Loans to Rural Bank (BPR) ROA in Lampung Province. Terbuka Journal of Economics and Business, 2(1), 44–58. https://doi.org/10.33830/tjeb.v2i1.1481