@article{Crankshaw2018,
author = {Crankshaw, O. and Borel-Saladin, J.},
title= {Causes of urbanisation and counter-urbanisation in Zambia: Natural population increase or migration?},
year = {2018},
doi = {10.1177/0042098018787964},
volume = {56},
number = {10},
pages = {2005--2020},
}