@article{
  author = {Joudaki, M., Montazeri, M. A., Mousavi, S. R.},
  title = {A Study of the University Course Timetabling Problem by Using a Hybrid of Improved Memetic and Simulated Annealing Algorithms},
  journal = {Nashriyyah -i Muhandisi -i Barq va Muhandisi -i Kampyutar -i Iran},
  year = {2011},
  volume = {9},
  number = {4},
  pages = {192-202},
  doi = {}
}