http://documents.worldbank.org/curated/en/356091537360897955/pdf/WPS8588.pdf
https://www.opendemocracy.net/uk/david-elstein/meaning-of-dunkirk?utm_source=Daily+Newsletter&utm_campaign=4b953d9eb4-DAILY_NEWSLETTER_MAILCHIMP&utm_medium=email&utm_term=0_717bc5d86d-4b953d9eb4-407405485
https://www.foreignaffairs.com/china/east-asias-coming-population-collapse
https://eprints.lse.ac.uk/114262/1/RandolphStorper_Is_Urbanization_in_the_Global_South_Fundamentally_DifferentAccepted2021.pdf