Seulbi Choi and  Hyunchul Ahn,  A Recommender System Fusing Collaborative Filtering and User’s Review Mining.   journal   = {International Journal of Computer and Information Engineering}, [online]. World Academy of Science, Engineering and Technology.
    July 2016, vol. 116(8). 1497 - 1500
    [viewed 18 January 2021]. Available from: https://publications.waset.org/pdf/10005202.