https://support.google.com/admanager/thread/335556325?hl=en&sjid=4458061972959425839-NC

https://forum.dimensionengineering.com/topic/1650-united-airlines-support-how-to-resolve-your-issues-quickly/

https://forum.dimensionengineering.com/topic/3529-ways-to-contact-united-customer-service-via-phone-email-chat-step-by-step-guide/

https://c.mi.com/global/post/1388958/GUIA_%C2%BFC%C3%B3mo_se_llama_ahora_Air_Europa-_Grupo_Global

https://c.mi.com/global/post/1614311/GUIA_%C2%BFC%C3%B3mo_puedo_hablar_con_una_persona_de_Air_Eur

https://www.goodreads.com/topic/show/23097681-c-mo-hablar-directamente-con-el-servicio-de-atenci-n-al-cliente-de-delta

https://support.google.com/youtubekids/thread/335662910?hl=en&sjid=5317350443448800941-NC

Cómo contactar a un agente en vivo de Expedia: Guía completa y exhaustiva

https://forum-odszkodowania.pl/topic/109689-our-toll-free-how-to-get-support-with-quickbooks-enterprise-contact-number/

https://forum.dimensionengineering.com/topic/3451-ways-to-call-delta-airlines-customer-service-by-phone-email-or-chat-options-comprehensive-guide/