G. Kumaravelan and  R. Sivakumar,  Optimizing Dialogue Strategy Learning Using Learning Automata.   journal   = {International Journal of Computer and Information Engineering}, [online]. World Academy of Science, Engineering and Technology.
    March 2009, vol. 27(3). 721 - 728
    [viewed 22 April 2021]. Available from: https://publications.waset.org/pdf/12363.