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2. Charman, A., Petersen, M., Piper, L., Liedeman, R. & Legg, T. (2014). Small area census approach to measure the township informal economy in South Africa. Working Paper. Sustainable Livelihoods Foundation.
3. City of Cape Town. 2012. The Cape Town spatial development framework. www.capetown.gov.za/en/sdf/Documents/SDF_Technical_Report_2012_Interactive.pdf.
4. Crush, J. & Ambler, C. (1992). Introduction. In J.Crush & C.Ambler (Eds.), Liquor and labour in Southern Africa (pp. 1–55). Athens, Ohio: Ohio University Press.