Firmansyah, I. (2019). Pengaruh kualitas produk, kualitas layanan, harga dan brand image terhadap keputusan pembelian Kober Mie Setan di Kota malang. MBR (Management and Business Review), 3(2), 116–123. https://doi.org/10.21067/mbr.v3i2.4723