Nurdini, P., Indrawan, A., & Martaseli, E. (2025). Root Cause Analysis of the Decline in Surplus Earnings at Koperasi Bina Warga in 2024. Indonesian Interdisciplinary Journal of Sharia Economics (IIJSE), 8(3), 12487-12496. https://doi.org/10.31538/iijse.v8i3.7830