?url_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Adissertation&rft.au=Abraham+Marshall+Nunbogu&rft.aulast=Abraham+Marshall+Nunbogu&rft.date=2014&rft.degree=Master&rft.title=Self-organisation+in+informal+settlements%3A+a+case+study+of+the+greater+accra+metropolitan+area%2C+ghana