Astuti, Kartika Dwi, dkk. “Single-Operator Cashier for Efficiency: Designing a Point of Sale and Inventory Management System for the Warkop Hidayah MSME in Tuban”. Small Business Accounting Management and Entrepreneurship Review, vol. 6, no. 2, Agustus 2026, hlm. 141-65, https://doi.org/10.61656/sbamer.v6i2.556.