Yidan Shao,  The Implementation of Word Study Wall in an Online English Word Memorization Class.   journal   = {International Journal of Cognitive and Language Sciences}, [online]. World Academy of Science, Engineering and Technology.
    August 2023, vol. 200(8). 564 - 569
    [viewed 28 April 2024]. Available from: https://publications.waset.org/pdf/10013226.