Amr Mansour Mohsen and  Hesham Ahmed Hassan and  Amira M. Idrees,  Documents Emotions Classification Model Based on TF-IDF Weighting Measure.   journal   = {International Journal of Computer and Information Engineering}, [online]. World Academy of Science, Engineering and Technology.
    August 2016, vol. 109(1). 252 - 258
    [viewed 19 April 2024]. Available from: https://publications.waset.org/pdf/10005447.