https://support.google.com/business/thread/339976656/faqs-public%C2%AE-how-to-avoid-%F0%9D%93%94%F0%9D%94%81%F0%9D%93%B9%F0%9D%93%AE%F0%9D%93%AD%F0%9D%93%B2%F0%9D%93%AA-cancellation-fee

https://support.google.com/edu/classroom/thread/339976174?hl=en&sjid=9458305147833974540-NA

https://otx.alienvault.com/pulse/68086cfedaa715fba4ebf29d

https://superuser.com/questions/1893465/expediacan-i-get-my-money-back-from-expedia

https://queenjones.alboompro.com/post/all-the-ways-you-can-call-aegean-airlines-customer-support-by-phone-in-2025

https://support.google.com/edu/classroom/thread/339975466?hl=en&sjid=9116692164890506768-NA

https://support.google.com/edu/classroom/thread/339976174?hl=en&sjid=9458305147833974540-NA

https://official-cruises-247.ladesk.com/864366-Ways-to-Call-Expedia-Cruise-Customer-Service-via-Phone-1-888-738-0812-Email-or-Chat-Options-Simple-Steps-

https://otx.alienvault.com/pulse/68086ca3df0b422090ad8d37

https://pantip.com/topic/43412191