Indriani, T. (2023) “ Kepuasan Pelanggan Pada Kualitas Produk Sop Bang Oya Di PKL Kedungdoro Surabaya”, Innovative: Journal Of Social Science Research, 3(3), pp. 3933–3945. Available at: http://j-innovative.org/index.php/Innovative/article/view/2563 (Accessed: 6 July 2026).