https://urop.gatech.edu/sites/default/files/webform/thesis_approval_form_upload/_sid_/sUPERMAN.pdf

https://speakerdeck.com/helpsupportguide/how-to-contact-ita-airways-r-customer-service-phone-numbers-live-chat-and-email-support-for-immediate-assistance

https://urop.gatech.edu/sites/default/files/webform/thesis_approval_form_upload/_sid_/SPIDERMAN.pdf

https://speakerdeck.com/helpsupportguide/how-do-i-speak-to-someone-at-norse-atlantic-airways-r-your-complete-guide

https://www.cruisehabit.com/boards/topic/14090-19-ways-to-call-how-can-i-speak-to-someone-at-expedia-a-step-by-step-guide/

https://forum.paradoxplaza.com/forum/threads/does-qatar-airways-offer-senior-citizen-discounts.1847723/

https://forum.paradoxplaza.com/forum/threads/how-to-get-delta-senior-discount-https-bit-ly-4et7s1j.1847742/

https://www.informationhood.com/19-w-ay-s-to-call-how-can-i-speak-to-someone-at-expedia-a-step-by-step-guide/?snax_post_submission=success

https://urop.gatech.edu/sites/default/files/webform/thesis_approval_form_upload/_sid_/DESTINATIONADS.pdf

https://urop.gatech.edu/sites/default/files/webform/thesis_approval_form_upload/_sid_/HowtoReachSouthwestAirlinesCustomerService_0.pdf