Justitie, D., A. Suddin, and E. Widajanti. “ANALISIS PENGARUH KUALITAS PRODUK, CITA RASA, DAN HARGA TERHADAP LOYALITAS PELANGGAN WAFFELIO FRANCHISE DI SURAKARTA”. JAMASADA: JOURNAL OF HUMAN RESOURCE MANAGEMENT, vol. 13, no. 2, Apr. 2020, https://ejurnal.unisri.ac.id/index.php/Manajemen/article/view/3605.