WASET
    Azza Taha Zaki,  Modern Tragic Substance in O’Neill’s Desire under the Elms and Mourning Becomes Electra.   journal   = {International Journal of Humanities and Social Sciences}, [online]. World Academy of Science, Engineering and Technology.
    October 2021, vol. 177(9). 873 - 879
    [viewed 25 April 2024]. Available from: https://publications.waset.org/pdf/10012235.