@article{hasan_noor_rahman_rahman_2020, 
  title={THE TRANSITION FROM INTELLIGENT TO AFFECTIVE TUTORING SYSTEM: A REVIEW AND OPEN ISSUES}, 
  DOI={10.1109/access.2020.3036990}, 
  publisher={Institute of Electrical and Electronics Engineers (IEEE)}, 
  author={Hasan, Muhammad Asif and Noor, Nurul Fazmidar Mohd and Rahman, Siti Soraya Abdul and Rahman, Mohammad Mustaneer}, 
  year={2020}
  }