C. Noi-Okwei,  Depression and Its Effects on a Cognitive Performance Test.   journal   = {International Journal of Psychological and Behavioral Sciences}, [online]. World Academy of Science, Engineering and Technology.
    June 2010, vol. 42(6). 1105 - 1111
    [viewed 26 April 2024]. Available from: https://publications.waset.org/pdf/4470.