Alanoud Moraya Aldalan and  Abdulaziz Almaleh,  Customer Churn Prediction Using Four Machine Learning Algorithms Integrating Feature Selection and Normalization in the Telecom Sector.   journal   = {International Journal of Electronics and Communication Engineering}, [online]. World Academy of Science, Engineering and Technology.
    March 2023, vol. 195(3). 76 - 83
    [viewed 25 April 2024]. Available from: https://publications.waset.org/pdf/10012996.