https://support.google.com/edu/classroom/thread/337987146?hl=en&sjid=4172468165681200141-NC

https://community.whattoexpect.com/forums/new-york-city/topic/the-complete-guide-to-calling-expedia-customer-service-by-phone-for-fast-support-169561107.html

https://www.anime-planet.com/users/dvfsdfsdgd/lists/deltaairlinestelefono-como-llamar-a-delt-1316401

https://support.google.com/edu/classroom/thread/337985737?hl=en&sjid=10875548408467977536-NA

Spirit Airlines How to Contact Customer Service: Complete and Detailed Guide

https://support.google.com/calendar/thread/337985780?hl=en&sjid=10875548408467977536-NA

https://support.google.com/calendar/thread/337985944?hl=en&sjid=10875548408467977536-NA

https://support.google.com/edu/classroom/thread/337985963?hl=en&sjid=10875548408467977536-NA

https://air-line-help.tawk.help/article/quickest-way-to-reach-a-delta-representative?preview=1&token=eyJhbGciOiJFUzI1NiIsInR5cCI6IkpXVCIsImtpZCI6Imtub3dsZWRnZS1iYXNlLXNlcnZpY2UtMjAyMDA3MTYifQ.eyJpYXQiOjE3NDQ1NDI3NjIsImV4cCI6MTc0NDU0OTk2MiwianRpIjoiMmFLb0xIZm5fQVVjaWFNb09WZjJVIn0.AjJ34qAv7imo2_EGlOVxW9VCmNAidcZLGAz6Qdumw9HoEpcqUibbU6LAeT4wx2ZShhMTvA393I0C_lj57ZIk7g

https://support.google.com/nonprofits/thread/337984759?hl=en&sjid=11662366150426146353-NC