New towns for the 21st century : the planned vs. the unplanned city / [chief ed.: Michelle Provoost ; text ed.: Rachel Keeton ... et al.]To build a city in Africa : a history and a manual / edited by Rachel Keeton & Michelle ProvoostTo build a city in Africa : a history and a manual / edited by Rachel Keeton & Michelle ProvoostTo build a city in Africa : a history and a manual / Edited by Rachel Keeton & Michelle Provoost