Khapso, Ulfa Eka. “Perancangan Perbaikan Proses Bisnis Pelayanan Ke Pelanggan Di Toko Sudarko Menggunakan Metode Business Process Improvement”. Innovative: Journal Of Social Science Research 3, no. 2 (June 22, 2023): 13775–13787. Accessed May 10, 2026. https://j-innovative.org/index.php/Innovative/article/view/1987.