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3. Bissett Lary, 2004. Location Rent and the Spatial Distribution of Economic Activities: A Nonlinear Reformulation of the von Thunen Paradigm ().
4. Spatio-Temporal Analysis of Rural–Urban Land Conversion;Bo Haung,2009
5. Botswana Gazette, 2012. Govt evicts 601. 25–31 January 2012.