https://support.google.com/edu/classroom/thread/335199557?hl=en&sjid=11445308492238211481-NA

https://support.google.com/admanager/thread/336524431?hl=en&sjid=2757513743159541663-NC

https://support.google.com/admanager/thread/336524138?hl=en&sjid=2757513743159541663-NC

https://forum.dimensionengineering.com/topic/22039-reach-american-american-in-3-simple-steps-phone-chat-or-email/

https://forum.dimensionengineering.com/topic/22043-all-the-ways-to-get-american-airline-support-%E2%80%94-instantly/

https://www.gurux.fi/node/28924

https://forum.dimensionengineering.com/topic/22077-ways-to-instantly-call-expedia-customer-service-via-phone-email-and-chat-a-complete-breakdown-guide/

https://forum.dimensionengineering.com/topic/22042-here%E2%80%99s-how-to-contact-american-airline-for-fast-friendly-help/

https://forum.dimensionengineering.com/topic/22049-contacting-way-to-american-airlines-has-never-been-easier-%E2%80%94-heres-how/

https://www.gurux.fi/node/28922