Xuanyu Bai,  Popularization of the Communist Manifesto in 19th Century Europe.   journal   = {International Journal of Economics and Management Engineering}, [online]. World Academy of Science, Engineering and Technology.
    February 2021, vol. 171(3). 274 - 277
    [viewed 10 May 2024]. Available from: https://publications.waset.org/pdf/10011914.