Audreya, Qonita, Johannes Kurniawan, and Juliana Juliana. “The Influence of Product Quality and Service Quality on Customer Satisfaction at Butterfields Café”. Jurnal EMT KITA 9, no. 4 (October 1, 2025): 1707–1715. Accessed December 7, 2025. https://journal.lembagakita.org/emt/article/view/4725.