P. S. Van Staden and  M. M. Campbell,  A Framework for Vacant City-Owned Land to Be Utilised for Urban Agriculture: The Case of Cape Town, South Africa.   journal   = {International Journal of Agricultural and Biosystems Engineering}, [online]. World Academy of Science, Engineering and Technology.
    January 2014, vol. 86(2). 123 - 129
    [viewed 25 April 2024]. Available from: https://publications.waset.org/pdf/9997548.