Alfais Amin Darmawan. “Analysis of Service Quality, Customer Satisfaction, Brand Image, and Market Share on Passenger Loyalty”. Siber International Journal of Digital Business (SIJDB) 2, no. 1 (July 30, 2024): 100–115. Accessed September 26, 2025. https://www.siberreview.org/SIJDB/article/view/68.