Marc Solé and  Francesc Giné and  Magda Valls and  Nina Bijedic,  Real Time Classification of Political Tendency of Twitter Spanish Users based on Sentiment Analysis.   journal   = {International Journal of Computer and Information Engineering}, [online]. World Academy of Science, Engineering and Technology.
    August 2018, vol. 141(9). 697 - 706
    [viewed 23 April 2024]. Available from: https://publications.waset.org/pdf/10009499.