@article{
  author = {Jafari,, parivash, Yazdani,, sohrab},
  title = {The six sigma and lean management
Approaches in education},
  journal = {Journal of Instruction and Evaluation},
  year = {2008},
  volume = {1},
  issue = {3},
  pages = {7-40},
  doi = {},
  url = {https://sanad.iau.ir/fa/Article/972440}
}