Victoria L. Nkosi and  Parvaneh Farhangpour,  Inner and Outer School Contextual Factors Associated with Poor Performance of Grade 12 Students: A Case Study of an Underperforming High School in Mpumalanga, South Africa.   journal   = {International Journal of Educational and Pedagogical Sciences}, [online]. World Academy of Science, Engineering and Technology.
    June 2017, vol. 126(6). 1598 - 1606
    [viewed 18 January 2022]. Available from: https://publications.waset.org/pdf/10007631.