00502nam a2200157 i 4500001000800000005001700008020001800025100002400043245007500067264004400142650002600186650002300212650004000235856005400275999001500329E00314820261028003430.0  a97801976021881 aLucas, Robert E. B.10aCrossing the divide:brural to urban migration in developing countries 1aNew YorkbOxford University Pressc2021 4aRural-urban migration 4aInternal migration 4aUrbanization - Developing countries40uhttps://academic.oup.com/book/39133yAccess eBook  c1067d1067