Ardiyanto Maksimilianus Gai, Afdhal Chatra, Mozart Malik Ibrahim, Samuel PD Anantadjaya, and Irma M Nawangwulan. “Analysis of The Influence of Information Availability, Economic Factors and Changing Trends on Travel Agent Business Sustainability in Digital Era”. Jurnal Sistim Informasi dan Teknologi 6, no. 2 (April 16, 2024): 6–11. Accessed July 4, 2025. https://jsisfotek.org/index.php/JSisfotek/article/view/344.