https://papers.ssrn.com/sol3/papers.cfm?abstract_id=5318948
https://bit.ly/3HVn8OW
https://papers.ssrn.com/sol3/papers.cfm?abstract_id=5318973
https://www.angloinfo.com/riviera/discussions/general/six-ways-to-call-how-can-i-talk-to-human-at-booking-com-a-step-by-step-an-updated-guide
https://www.angloinfo.com/riviera/discussions/entertainment/seven-ways-to-call-how-can-i-talk-to-human-at-booking-com-a-step-by-step-an-updated-guide
