ERISKA, E. R.; ANITA KARTIKA SARI; LUKMAN NUZUL HAKIM. PENGARUH SISTEM PELAYANAN, KUALITAS PRODUK TERHADAP PENINGKATAN PENJUALAN DI RESTORAN CEPAT SAJI BURGER KING. KALIANDA HALOK GAGAS, [S. l.], v. 5, n. 1, p. 14–22, 2022. DOI: 10.52655/khg.v5i1.42. Disponível em: https://ojs.umkal.ac.id/index.php/halokgagas/article/view/42. Acesso em: 30 oct. 2026.