Isnaini, and N. Q. S. Nirwana. “Liquidity in People’s Credit Banks: NPL and Operational Costs in Sidoarjo, Indonesia”. Academia Open, Vol. 9, no. 2, Sept. 2023, p. 10.21070/acopen.9.2024.2673, doi:10.21070/acopen.9.2024.2673.