@article{
  author = {Moosavi, Ehsan, Shirinabadi, Reza},
  title = {Minimization of the deviation from the optimal cut-off grades in long-term production scheduling of open pit mines by using mixed integer programming},
  journal = {},
  year = {2019},
  volume = {13},
  number = {46},
  pages = {65-77},
  doi = {}
}