Irfan, Mochamad. “Peran Harga Dan Kualitas Produk Bagi Konsumen Melakukan Pembelian Ulang Di Toko Roti Primadona Surabaya”. Journal of Business and Economics Research (JBE) 3, no. 1 (February 28, 2022): 30-36. Accessed May 25, 2026. https://ejurnal.seminar-id.com/index.php/jbe/article/view/1345.