Penerapan Sistem Keuangan Sederhana Untuk Mendukung Kegiatan Usaha Kedai Kopi “Roengpi Coffee”: (Implementation of a Simple Financial System to Support the Business Activities of the "Roengpi Coffee" Coffee Shop). SBAMER [Internet]. 2025 Aug. 31 [cited 2026 Oct. 17];5(2):76-8. Available from: https://dhsjournal.id/index.php/SBAMER/article/view/404