@article{
  author = {Mortazavi, Nargessadat, oreyzi, hamidreza},
  title = {Moderating Effect of Uncertainty at the Workplace at  Relationship between Role Ambiguity and  Physical and Psychological Violence},
  journal = {Journal of Psychology},
  year = {2020},
  volume = {24},
  number = {2},
  pages = {215-230},
  doi = {}
}