Santosa B, Nurhayati, Hidayatullah N. Efficiency Analysis of Bank Buku 4 (Bank with Core Capital at Least Rp30 Trillion) Before and During The Covid-19 Pandemic: Efficiency Analysis of Bank Buku 4 (Bank with Core Capital at Least Rp30 Trillion) Before and During The Covid-19 Pandemic. PENANOMICS [Internet]. 2023 Dec. 11 [cited 2025 Jan. 21];2(3). Available from: https://penajournal.com/index.php/PENANOMICS/article/view/149