A. S. Adesuyi and  Z. Munch,  Using Time-Series NDVI to Model Land Cover Change: A Case Study in the Berg River Catchment Area, Western Cape, South Africa.   journal   = {International Journal of Geological and Environmental Engineering}, [online]. World Academy of Science, Engineering and Technology.
    May 2015, vol. 101(5). 553 - 558
    [viewed 30 September 2020]. Available from: https://publications.waset.org/pdf/10001426.