Widjaya, Sylviana, and Roozana Maria Ritonga. “Analysis of the Influence of Customer Relationship Management and Service Quality on Customer Loyalty at Avia Tour, Summarecon Mall Serpong”. Media Wisata 22, no. 2 (November 15, 2024): 444–454. Accessed January 30, 2025. https://jurnal.ampta.ac.id/index.php/MWS/article/view/742.