Zalukhu, B. (2023) “Analisis Pemanfaatan Kode Quick Response Dalam Meningkatkan Operasional Pelayanan Pelanggan Di Restaurant Grand Kartika Kota Gunungsitoli”, Innovative: Journal Of Social Science Research, 3(6), pp. 1885–1892. Available at: http://j-innovative.org/index.php/Innovative/article/view/6531 (Accessed: 23 June 2026).