Ulas Vural and  M. Ergun Okay and  E. Mesut Yildiz,  Churn Prediction for Telecommunication Industry Using Artificial Neural Networks.   journal   = {International Journal of Computer and Information Engineering}, [online]. World Academy of Science, Engineering and Technology.
    October 2020, vol. 167(11). 396 - 399
    [viewed 02 May 2024]. Available from: https://publications.waset.org/pdf/10011571.