Jessica Juventia, Ronald Suryaputra and Amelia 2024. Analisis Pengaruh Assurance, Menu, External Environment, Accuracy, Food Quality, Responsiveness, Hygiene Quality, Interior Design, Atmosphere, Price terhadap Customer Loyalty Melalui Customer Satisfaction pada Kafe X Sidoarjo. El-Mal: Jurnal Kajian Ekonomi & Bisnis Islam. 5, 4 (Feb. 2024), 2464–2476. DOI:https://doi.org/10.47467/elmal.v5i4.1928.