“PENGARUH KUALITAS PELAYANAN DAN RELATIONSHIP MARKETING TERHADAP KEPUASAN KONSUMEN PADA BISNIS KULINER DI MEDAN”. JOURNAL OF SCIENCE AND SOCIAL RESEARCH, vol. 9, no. 2, Apr. 2026, pp. 2598-06, https://doi.org/10.54314/jssr.v9i2.6018.