@article{
  author = {اعتمادی, مرجان, seyed naghavi, mir ali, Bamdad Soufi, Jahaniar, hamzhepoor, mehdi},
  title = {Designing a Conceptual Model of Lean Leadership Based on Comprehensive Approaches to the Essence of Lean Concept},
  journal = {Modiriat-e- farda},
  year = {2019},
  volume = {17},
  number = {57},
  pages = {233-250},
  doi = {}
}