Sagaren Pillay,  The Long Run Relationship between Exports and Imports in South Africa: Evidence from Cointegration Analysis.   journal   = {International Journal of Economics and Management Engineering}, [online]. World Academy of Science, Engineering and Technology.
    June 2014, vol. 90(6). 1976 - 1979
    [viewed 11 May 2024]. Available from: https://publications.waset.org/pdf/9998798.