@article{
  author = {Babaei, Kasra, Chen, ZhiYuan, Maul, Tomas},
  title = {A Study of Fraud Types, Challenges and Detection Approaches in Telecommunication},
  journal = {Journal of Information Systems and Telecommunication (JIST) },
  year = {2020},
  volume = {7},
  number = {28},
  pages = {248-261},
  doi = {10.7508/jist.2019.04.002}
}