https://www.historycouncilvic.org.au/allairlineshelphub/7_ways_to_get_a_live_human_on_avianca_for_customer_services_phone_email_and_chat_solutions

https://www.expat.com/es/forum/1100452-el-servicio-de-atencion-el-cliente-de-expedia-telefono.html

https://www.historycouncilvic.org.au/allairlineshelphub/15_fifteen_ways_to_reach_how_can_i_speak_to_someone_at_ethiopian_airlines_a_step-by-step_comprehensive_guide

https://www.expat.com/es/forum/1100451-11-formas-servicio-de-atencion-al-cliente-de-expedia.html

https://www.historycouncilvic.org.au/allairlineshelpcenter/30_ways_to_contact_how_can_i_speak_to_someone_at_china_southern_step_by_step_guide

https://www.historycouncilvic.org.au/allairlineshelpcenter/27_ways_to_contact_how_do_i_talk_to_someone_at_china_southern_a_step-by-step_guide_gizlbvbe2sg3_sphfrmrhw

service

https://www.expat.com/es/forum/1100453-11-formas-el-servicio-de-atencion-el-cliente-de-expedia-telefono.html

https://www.historycouncilvic.org.au/allairlineshelpcenter/20_ways_to_contact_how_can_i_talk_to_someone_at_china_southern_a_comprehensive_china_southern_guide

https://pathology.wustl.edu/app/uploads/formidable/222/12-ways-to-reach-expedia-customer-service-via-phone-number-email-and-chat-a-complete-guide.pdf