https://support.google.com/edu/classroom/thread/334914946?hl=en&sjid=2502267621097757379-NA Added on March 31, 2025
https://customer-service.elevio.help/en/articles/9-ways-to-contact-expedia-customer-service-by-phone-emails-chat-and-hotel-booking-number Added on March 31, 2025
