Mpai Mokoena and  Nsenda Lukumwena,  Managing City Pipe Leaks through Community Participation Using a Web and Mobile Application in South Africa.   journal   = {International Journal of Environmental and Ecological Engineering}, [online]. World Academy of Science, Engineering and Technology.
    April 2019, vol. 149(5). 402 - 408
    [viewed 24 April 2024]. Available from: https://publications.waset.org/pdf/10010404.