@article{
  author = {Erfanian Khanzadeh, Hamid, Torkanloo, Zohre},
  title = {Investigating the effective factors on productivity: The effect of
empowering leadership on achievement motivation, inspirational
motivation and mental persuasion},
  journal = {The Journal of Productivity Management},
  year = {2017},
  volume = {11},
  number = {1},
  pages = {131-158},
  doi = {}
}