https://exploreforums.com/index.php?/topic/78617-how-do-i-contact-quickbooks-enterprise-support-by-phone-qb-enterprise-service/

https://support.google.com/edu/classroom/thread/330235768?hl=en&sjid=5402943495967337883-NC

https://support.google.com/edu/classroom/thread/330235768?hl=en&sjid=5402943495967337883-NC

https://support.google.com/edu/classroom/thread/330235768?hl=en&sjid=5402943495967337883-NC

https://support.google.com/edu/classroom/thread/330234739?hl=en&sjid=1908394636614947852-NC

https://support.google.com/edu/classroom/thread/330235768?hl=en&sjid=5402943495967337883-NC

https://support.google.com/edu/classroom/thread/330235768?hl=en&sjid=5402943495967337883-NC

https://support.google.com/edu/classroom/thread/330235768?hl=en&sjid=5402943495967337883-NC

https://support.google.com/edu/classroom/thread/330236625?hl=en&sjid=2663015622045291178-NA

https://support.google.com/edu/classroom/thread/330235768?hl=en&sjid=5402943495967337883-NC