Manullang, J. C., and N. W. Lubis. “PENGARUH KUALITAS PELAYANAN DAN KUALITAS PRODUK TERHADAP KEPUTUSAN PEMBELIAN MIE GACOAN DI PANCING MEDAN”. IKRAITH-EKONOMIKA, Vol. 8, no. 2, July 2025, pp. 869-77, https://journals.upi-yai.ac.id/index.php/IKRAITH-EKONOMIKA/article/view/5024.