UULA, M. M.; MAULIDA, S. The Efficiency of BPR/S Industry in Sumatra, Indonesia: Covid-19 Impact, Dual Banking, and Regional Analysis. Tamkin Journal, [S. l.], v. 1, n. 1, 2022. DOI: 10.58968/tj.v1i1.94. Disponível em: https://journals.smartinsight.id/index.php/TJ/article/view/94. Acesso em: 7 jul. 2025.