WASET
    Raniya Alsharif,  The Truth about Good and Evil: A Mixed-Methods Approach to Color Theory.   journal   = {International Journal of Social and Business Sciences}, [online]. World Academy of Science, Engineering and Technology.
    January 2020, vol. 158(2). 97 - 102
    [viewed 25 April 2024]. Available from: https://publications.waset.org/pdf/10011063.