The Best Trip-Planning Apps for Android and iOS | Digital Trends
Top 10 Travel Planner Apps You Should Start Using in 2023!
Table 2 from ATIPS: Automatic Travel Itinerary Planning System for Domestic Areas | Semantic Scholar
Appendix D: Survey Outline for Itinerary Planning | e-Transit: Electronic Business Strategies for Public Transportation, Volume 4: Advanced Features of Transit Websites |The National Academies Press
The 19 Best Travel Planning Apps for Every Type of Traveler – Wanderlog blog